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Telecentric Tube Lens TL400-A-T
TL400-A-T$2,695.63
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The LBTEK infinity-corrected telecentric tube lens features a telecentric design and can be paired with laser scanning lenses to form a telecentric system, making it suitable for laser scanning and wide-field imaging applications. It is designed for wavelengths of 350-1100 nm and 400-2000 nm, with broadband anti-reflection coatings for 350-1100 nm and 400-1300 nm respectively. For specific transmission rates, please refer to the transmission curve. The telecentric tube lens has M38 x 0.5 or SM2 external threads on both ends, allowing direct integration into LBTEK's 60 mm coaxial system.
Key Features
- Telecentric design
- Focal length: 200 mm
- Ø22 mm and Ø24 mm imaging field of view
- Compatible with infinity-corrected objectives from major manufacturers
Application
Assembly Diagram
| Design Wavelength | 400-750 nm |
| Focal length | 400 mm±1% |
| Working distance | 94.2 mm<sup>a</sup> |
| Length | 20 |
| Coating | R<sub>avg</sub>< 0.5% @350-750 nm |
| Surface Quality (Scratch/Dig) | 40/20 |
| Compatibility | SM2 External Thread |
| Tube Length | 205.7 mm |
| Image plane size | Ø22 mm |
| TV Distortion | ＜0.2% |
| Length | 126.0 mm<sup>b</sup> (Telecentric) |
| Entrance Pupil Diameter | Ø20 mm |
| Total Track Length | 419.6 mm |
| Diaphragm Type | Multi-disc |
| Image Sensor Format | 30 mm |
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