75mm Focal Length VS-LD Series – Distortionless Macro Lens
By: VS-Technology
Industrial, Machine Vision Lenses
VS-Technology : VS-LD75
Description
The VS Technology VS-LD75 lens is ideal for high precision image application such as inspection, measurement, OCR etc. Distortionless macro lens specially designed for short WD. Variety lineup in f 4mm ~ 75mm ( 10 models). You can choose from low magnification with wide angle to long WD with small FOV. Lens unit shifting of LD series gives you easy changing of magnification and WD and setting up in your applications without extension tubes. Optically designed for mega pixel CCD camera, distortionless in macro imaging and high contrast in entire.
Features
VS-LD75 features include:
- Low distortion even when using extension tubes 10 models from focal lengths f4mm～f75mm
- Compact size: 32mm in diameter (except for VS-LD 6.5)
- For VGA ～3 Megapixel sensors
- Reduced shading
Specifications
| Focal length（f） | 75mm (73.98) |
| Maximum Aperture Ratio | 1：3.8 (3.81) |
| Optical mag. range | X 0.15 ~ X 0.35 |
| Optical mag. | x 0.15, x 0.20, x 0.30, x 0.35 |
| FOV (VxH mm) - 2/3" | 44.0x58.7, 33.0x44.0, 22.0x29.3,18.9x25.1 |
| FOV (VxH mm) - 1/2" | 32.0x42.7, 24.0x32.0, 16.0x21.3, 13.7x18.3 |
| FOV (VxH mm) - 1/3" | 24.0x32.0, 18.0x24.0,12.0x16.0,10.3x13.7 |
| WD | 527.7mm, 404.4mm, 281.1mm, 245.9mm |
| O/I (Object & Imager distance) | 616.0mm, 496.4mm, 380.5mm, 349.0mm |
| Working F/# | 4.38, 4.57, 4.95, 5.14 |
| DOF at PCoC Ø 0.04mm | 15.5mm, 9.1mm, 4.4mm, 3.4mm |
| TV distortion (2/3") | -0.0002 |
| Flange Back | 17.526mm |
| Wavelength | Visible (400nm - 700nm) |
| Mount | C-Mount |
| Filter Thread | M27.0 P=0.5 |
| Sensor size (max.) | 2/3" |
| Weight （approx.） | 57g |
| Dimension | Ø 32 (MAX)xL= 70.8 (0.15x)~ 85.6 (0.35x) mm |
Resources & Documents
| vs-ld75.pdf | Datasheet |