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VS-LDA25
The VS-LDA25 is one of the Distortionless Macro Lenses under VS-LDA Series. It features a fixed focal length of 25mm and a flexible working distance ranging from 508.2mm to 100.2mm. With magnification ranging from 0.05x to 0.25x at infinity, it excels in distortionless close-up imaging. The lens is optimized for light gathering with a working F/# of 2.1 – 2.6, and its C-Mount design ensures compatibility with various cameras and imaging systems. Overall, the VS-LDA25 is an ideal choice for applications that demand precise imaging with minimal distortion.
| Model | VS-LDA25 | ||||
|---|---|---|---|---|---|
| Focal Length | 25mm | ||||
| Maximum aperture ratio | 1: 2.0 | ||||
| Optical Mag Range | (∞) x 0.05 ~ x 0.25 | ||||
| Optical mag. | x 0.05 | x 0.10 | x 0.20 | x 0.25 | |
| FOV (VxH mm) | 2/3" | 142.0 × 168.0 mm | 71.0 × 84.0 mm | 35.5 × 42.0 mm | 28.4 × 33.6mm |
| 1/2" | 96.0 x 128.0 mm | 48.0 × 64.0 mm | 24.0 x 32.0mm | 19.2 × 25.6mm | |
| 1/3" | 72.0 × 96.0 mm | 36.0 x 48.0 mm | 18.0 × 24.0mm | 14.4 × 19.2 mm | |
| WD | 508.2mm | 253.2mm | 125.7 mm | 100.2 mm | |
| O/I (Object & Imager distance) | 559.2 mm | 305.5 mm | 180.5 mm | 156.3 mm | |
| Working F/# | 2.1 | 2.2 | 2.4 | 2.6 | |
| TV distortion | 0.06 % | 0.02 % | -0.04 % | -0.06 % | |
| Operation | Manual | ||||
| Wavelength | Visible | ||||
| Camera mount | C-mount | ||||
| Flange Back | 17.526 mm | ||||
| Sensor size (max.) | 2/3" | ||||
| Filter Thread | M=27 P=0.5 | ||||
| Weight (approx.) | 49 g | ||||
| Dimension | Φ 30.5 (max.) ×L = 33.5 (×0.05) ~ 38.6 (×0.25) mm | ||||
