Main > Product > Machine Vision Lenses > Low Distortion Macro Lens > VS-LDA Series > VS-LDA 4
VS-LDA4
LDA Series is design for producing low distortion image even when using with extension tubes 10 models from focal lengths f4mm～f75mm with reduced shading. Consistence Compact size: of 32mm in diameter (except for VS-LD 6.5). For VGA ～3 Megapixel sensors
| Model | VS-LDA4 | ||||
|---|---|---|---|---|---|
| Focal Length | 4mm | ||||
| Maximum Aperture Ratio | 1:2.0 | ||||
| Optical mag. range | x 0.01 ~ x 0.04 | ||||
| Optical mag. | x 0.01 | x 0.016 | x 0.03 | x 0.04 | |
| 2/3" | - | - | - | ||
| FOV (VxH mm) | 1/2" | 480.0 × 640.0 | 300.0 x 400.0 | 260.0 x 130.3 | 120.0 x 160.0 |
| 1/3" | 360.0 X 480.0 | 225.0 x 300.0 | 120.0 x 160.0 | 90.0 x 120.0 | |
| WD | 403.2mm | 247.9 mm | 127.2 mm | 92.7 mm | |
| O/I (Object & Imager distance) | 449.7mm | 294.5 mm | 173.9 mm | 139.4 mm | |
| Working F/# *Value at Iris open | 2.1 | 2.1 | 2.1 | 2.1 | |
| TV distortion 1/2") | -0.23 % | -0.23 % | -0.24 % | -0.24 % | |
| Operation of Iris & Zoom | Manual (Lock crew M2) | Manual (Lock crew M2) | Manual (Lock crew M2) | Manual (Lock crew M2) | |
| Wavelength | Visible | Visible | Visible | Visible | |
| Camera mount | C-mount | ||||
| Flange Back | 17.526 mm | ||||
| Sensor size (max.) | 1/2" | ||||
| Filter Thread | M 27 P= 0.5 | ||||
| Weight (approx.) | 49 g | ||||
| Dimension | Φ 29.5(MAX) × | L= 29.0 (×0.01) ~ | 29.2 (×0.04) mm |
