Image-Side Telecentric Lens VNIR20
Image-space chief rays are parallel to the optical axis and perpendicular to the image plane, enabling broadband confocal imaging. Compared with ordinary FA lenses, full-field radiometric response is more uniform without edge vignetting. Broadband apochromatic correction reduces spatial/spectral distortion. Magnification resists sensor-position drift, maintaining radiometric stability during focusing at different object distances. The broadband confocal image-space telecentric lens improves hyperspectral illumination uniformity, radiometric accuracy and repeatability as a front telescope for remote sensing.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Wavelength Range | 400-1000nm |
| Focal Length [±3%] | 20mm±3% |
| F-Number | F/2.5 |
| Maximum Slit Length | 15mm |
| Minimum Slit Width | 15μm |
| Default Working Distance | ∞ |
| Minimum Working Distance [Focus Adjustment] | 0.5m |
| Minimum Working Distance [Without Focus Adjustment] | 3m |
| Back Focal Length (BFL) | 6mm |
| Mechanical Back Focal Length (MBFL) | 4.7mm |
| Overall Dimensions (To C-Mount Reference) | ≤Ø30x60mm |
| Mounting Interface | C-Mount |
| Flange Back Distance (FBD) | 17.526mm |
| Compatible Models | HSP0410、CY-HS0410 |
Datasheet
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