{"title":"Reflective Neutral Density (ND) Filters, Working Wavelength: 350 nm-1100 nm","description":"\u003cp\u003eBrowse 40+ optical filters from WaveQuanta's catalog. Part of our precision optical components and lenses range. Detailed specifications, datasheets, and 3D models available for each product. Request a quote today.\u003c\/p\u003e","products":[{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-40","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-40","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-40\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519078875290,"sku":"MNDFR05-40","price":53.73,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_c1e5eb11-ecf1-4627-984a-b2a8237d7f1a.jpg?v=1772681559"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-30","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-30","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-30\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079170202,"sku":"MNDFR05-30","price":53.73,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_cc4b1c3e-9571-4fe5-9e1c-7ed37d2071a6.jpg?v=1772681564"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-20","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-20","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-20\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079301274,"sku":"MNDFR05-20","price":53.73,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_0a484da0-109c-46b7-9d87-0f333da9a7df.jpg?v=1772681570"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-10","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-10","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-10\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079432346,"sku":"MNDFR05-10","price":53.73,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_ad5305df-129d-49f9-aa27-6af5308a5c09.jpg?v=1772681574"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-05","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-05","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-05\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079628954,"sku":"MNDFR05-05","price":46.49,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_40472fe9-9704-4c3e-9fae-486dc7e9e137.jpg?v=1772681579"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-04","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-04","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-04\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079727258,"sku":"MNDFR05-04","price":46.49,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_b556a595-e7b6-4eef-b7b2-b29206976073.jpg?v=1772681584"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-03","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-03","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-03\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079760026,"sku":"MNDFR05-03","price":46.49,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_93e57204-2d54-4b4a-842b-657bed753334.jpg?v=1772681590"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr05-02","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR05-02","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR05-02\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519079858330,"sku":"MNDFR05-02","price":46.49,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_64057cbb-75e1-4304-9d99-ba6e376c77a3.jpg?v=1772681596"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-40","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-40","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-40\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519080251546,"sku":"MNDFR10-40","price":96.88,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_2da271eb-cf66-4a67-9518-20c3d337c74f.jpg?v=1772681600"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-30","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-30","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-30\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519080349850,"sku":"MNDFR10-30","price":96.88,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_ae9f769c-f267-4c4e-a781-d4d53d6a0f7c.jpg?v=1772681606"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-20","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-20","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-20\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519080480922,"sku":"MNDFR10-20","price":96.88,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_91200092-c9b1-4178-8b11-cc3c94a9b361.jpg?v=1772681611"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-10","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-10","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-10\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519080546458,"sku":"MNDFR10-10","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_660eb1b8-ea82-4cc7-b74e-8d51e725abe3.jpg?v=1772681616"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-05","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-05","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-05\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519080677530,"sku":"MNDFR10-05","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_fc12c8b3-9b20-4793-899f-51bb9ded643f.jpg?v=1772681621"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-04","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-04","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-04\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519080743066,"sku":"MNDFR10-04","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_591d3352-788c-4b88-8038-68c134a97fc6.jpg?v=1772681626"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-02","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-02","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-02\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519081070746,"sku":"MNDFR10-02","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_da67234a-8a40-43e5-b498-05523743cb3c.jpg?v=1772681631"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-mndfr10-03","title":"Reflective Neutral Density Filter, Round, Mounted MNDFR10-03","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Mounted — Model MNDFR10-03\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Mounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003cli\u003eMounted in mechanical housing, detachable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK round mounted reflective neutral density filters cover an optical density (OD) range of 0.2-4.0, with optical component sizes of Ø12.7 mm and Ø25.4 mm. By depositing chromium-nickel-iron alloy (single-sided) on an N-BK7 substrate, a smooth OD curve is achieved within the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chromium-nickel-iron alloy coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the side with the chromium-nickel-iron alloy coating. Additionally, care should be taken to avoid contact with this unprotected metal coating, as touching may scratch the uncoated surface. When cleaning, the use of an air blower is advised. The MNDFR series reflective neutral density filters come mounted in detachable standard lens tubes, with the surface engraved with product model, working wavelength, OD value, and other parameters for easy identification for users.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519082152090,"sku":"MNDFR10-03","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_f863d9c9-d7ed-4b7f-a8b1-ccc461236822.jpg?v=1772681636"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-40","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-40","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-40\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519082414234,"sku":"NDFR05-40","price":42.39,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_7e262265-0881-4edf-9288-60accfadf670.jpg?v=1772681641"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-30","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-30","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-30\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519082479770,"sku":"NDFR05-30","price":42.39,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_d543626e-eb1e-4355-b72a-0e9d2a6b6752.jpg?v=1772681646"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-20","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-20","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-20\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519082610842,"sku":"NDFR05-20","price":42.39,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_ee830468-5902-4023-8790-21656f0eddd1.jpg?v=1772681652"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-10","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-10","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-10\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519082709146,"sku":"NDFR05-10","price":42.39,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_d0db67fa-247b-4404-84fa-4ad6c9b03b70.jpg?v=1772681657"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-05","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-05","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-05\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083036826,"sku":"NDFR05-05","price":35.15,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_88c01e0c-5e54-481d-a394-0ddf1f3d18c6.jpg?v=1772681662"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-04","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-04","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-04\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083102362,"sku":"NDFR05-04","price":35.15,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_1d701d49-5f7f-4fd8-a4d2-a5672cd96507.jpg?v=1772681667"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-03","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-03","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-03\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083200666,"sku":"NDFR05-03","price":35.15,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_dedcc368-e90b-4b27-bd6c-b5fc3c6fa6ba.jpg?v=1772681672"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr05-02","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR05-02","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR05-02\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ12.7 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083331738,"sku":"NDFR05-02","price":35.15,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_5484f2c3-a043-4b13-ae67-34888e661499.jpg?v=1772681676"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-40","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-40","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-40\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083528346,"sku":"NDFR10-40","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_70ea1a70-4006-48d1-9934-66f83a4a6a16.jpg?v=1772681682"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-30","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-30","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-30\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083561114,"sku":"NDFR10-30","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_27c9aab9-ba9e-4441-bae7-edec2584aa25.jpg?v=1772681686"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-20","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-20","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-20\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083659418,"sku":"NDFR10-20","price":83.85,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_e27ad846-17d4-4d53-97cf-b7260376bec7.jpg?v=1772681691"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-10","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-10","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-10\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083757722,"sku":"NDFR10-10","price":65.45,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_903c10b4-cd9f-44d6-a603-148c87f3d1c1.jpg?v=1772681696"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-05","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-05","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-05\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519083823258,"sku":"NDFR10-05","price":65.45,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_86dc80fa-af65-4ae4-9ac9-75144d83b0e6.jpg?v=1772681701"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-04","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-04","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-04\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084118170,"sku":"NDFR10-04","price":65.45,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_f55e370c-9a9a-40c1-b85e-9ec3e98d4328.jpg?v=1772681706"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-03","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-03","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-03\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084216474,"sku":"NDFR10-03","price":65.45,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_0a64ef29-89c3-4edb-83fc-1f545ea4545f.jpg?v=1772681712"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfr10-02","title":"Reflective Neutral Density Filter, Round, Unmounted NDFR10-02","description":"\u003ch2\u003eReflective Neutral Density Filter, Round, Unmounted — Model NDFR10-02\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm, ØØ25.4 mm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Round, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted round reflective neutral density filters with optical density (OD) ranging from 0.2 to 4.0 are available in sizes of Ø12.7 mm and Ø25.4 mm. By depositing chrome-Inconel coating (single-sided) on N-BK7 substrates, these filters achieve a smooth OD curve across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome-Inconel coating still absorbs a portion of the incident light. For optimal performance, it is recommended that light enters from the chrome-Inconel coated side. Be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084445850,"sku":"NDFR10-02","price":65.45,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/2-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E6_9C_AA_E5_AE_89_E8_A3_85-FrSJnEEDNGG3yYfAo8xs84andU_f0e372a3-e209-483c-ab5f-c73bf64398b5.jpg?v=1772681717"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-02","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-02","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-02\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084544154,"sku":"NDFRS20-02","price":90.92,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm.jpg?v=1772681722"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-03","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-03","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-03\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084642458,"sku":"NDFRS20-03","price":90.92,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_67a2ffe2-0d21-4504-9869-18cc4460c140.jpg?v=1772681727"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-04","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-04","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-04\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084675226,"sku":"NDFRS20-04","price":90.92,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_3d46f92d-545f-43fe-a765-df75137a7c1b.jpg?v=1772681732"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-05","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-05","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-05\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084839066,"sku":"NDFRS20-05","price":90.92,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_40eddd48-00c0-4f3d-a7cc-e14c9486c519.jpg?v=1772681737"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-10","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-10","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-10\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519084970138,"sku":"NDFRS20-10","price":90.92,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_3bde0a83-c509-4740-943b-dc5f3717fb7f.jpg?v=1772681742"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-20","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-20","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-20\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519085068442,"sku":"NDFRS20-20","price":113.24,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_f8f8d594-ffd0-4688-b153-bb4cf5ad4874.jpg?v=1772681747"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-30","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-30","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-30\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519085133978,"sku":"NDFRS20-30","price":113.24,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_bdf17069-c583-4c52-9351-20b0a92ea9e2.jpg?v=1772681752"},{"product_id":"reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm-ndfrs20-40","title":"Reflective Neutral Density Filter, Square, Unmounted NDFRS20-40","description":"\u003ch2\u003eReflective Neutral Density Filter, Square, Unmounted — Model NDFRS20-40\u003c\/h2\u003e\n\u003cp\u003e\u003cem\u003eOperating wavelength 350 nm-1100 nm.\u003c\/em\u003e\u003c\/p\u003e\n\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eOD: 0.2, 0.3, 0.4, 0.5, 1.0, 2.0, 3.0, 4.0\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK Reflective Neutral Density (ND) Filters are made of N-BK7 substrate with chrome-nickel-iron alloy coating, available in optical density (OD) ranges from 0.2 to 4.0. The sizes include Ø12.7 mm, Ø25.4 mm, and 50.8 mm×50.8 mm. LBTEK filters can be mounted on threaded tubes or coaxial mounting plates for use in coaxial systems, or installed in free space. LBTEK also offers customization services for other special sizes and optical density value attenuators. Please contact Technical Support for any requirements.\u003c\/p\u003e\n\u003ch3\u003eReflective Neutral Density Filter, Square, Unmounted\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubstrate Material: N-BK7\u003c\/li\u003e\n\u003cli\u003eWorking Wavelength: 350 nm-1100 nm\u003c\/li\u003e\n\u003cli\u003eLow Power Applications\u003c\/li\u003e\n\u003cli\u003eReflective Neutral Density Filter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLBTEK unmounted square reflective neutral density filters have an optical density (OD) range of 0.2-4.0 and dimensions of 50.8 mm × 50.8 mm. By depositing chrome Inconel alloy (single-sided) on N-BK7 substrates, a smooth OD curve is achieved across the 350 nm-1100 nm wavelength range. Although classified as reflective neutral density filters, the chrome Inconel coating still absorbs some incident light. For optimal performance, it is recommended that incident light enters from the chrome Inconel-coated side. Additionally, be careful to avoid contact with this unprotected metal film, as contact may scratch the unprotected surface. It is recommended to use an air blower for cleaning.\u003c\/p\u003e","brand":"WaveQuanta","offers":[{"title":"Default Title","offer_id":47519085232282,"sku":"NDFRS20-40","price":113.24,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/files\/E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_E6_96_B9_E5_BD_A2_E5_9B_9B_E6_AC_BE_E5_88_86_E7_B1_BB_E5_9B_BE-FniMmjZ3Os_ERLbtykJKbg1h6vvm_eb12a3d2-c95a-49c4-8e88-0e59ae49e263.jpg?v=1772681758"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6156\/3546\/collections\/1-1_E5_8F_8D_E5_B0_84_E5_9E_8B_E4_B8_AD_E6_80_A7_E5_AF_86_E5_BA_A6_E6_BB_A4_E5_85_89_E7_89_87_EF_BC_8C_E5_9C_86_E5_BD_A2_EF_BC_8C_E5_B7_B2_E5_AE_89_E8_A3_85-Fp5rpl6QISu6lCAnRDWafD6yfO_6a2a63ec-660b-4f7a-ad99-b448d0607f15.jpg?v=1777788570","url":"https:\/\/waveqvanta.com\/collections\/lbtek-optics-l4-reflective-neutral-density-nd-filters-working-wavelength-350-nm-1100-nm.oembed","provider":"WaveQuanta","version":"1.0","type":"link"}