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VS-Technology : VS-LD20

By: VS-Technology
Industrial, Machine Vision Lenses
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
20mm Focal Length VS-LD Series - Distortionless Macro Lens

The VS Technology VS-LD20 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.

VS-LD20 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
Focal length(f) 20mm (20.74)
Maximum Aperture Ratio 1:2.0 (2.13)
Optical mag. range X 0.04 ~ X 0.22
Optical mag. x 0.04, x 0.08, x 0.15, x 0.22
FOV (VxH mm) - 2/3" 165.0x220.0, 82.5x110.0, 44.0x58.7, 30.0x40.0
FOV (VxH mm) - 1/2" 120.0x160.0, 60.0x80.0, 32.0x42.7, 21.8x29.1
FOV (VxH mm) - 1/3" 90.0x120.0, 45.0x60.0, 24.0x32.0, 16.4x21.8
WD 511.0mm, 251.7mm, 130.7mm, 86.8mm
O/I (Object & Imager distance) 557.0mm, 298.6mm, 179.0mm, 136.5mm
Working F/# 2.22, 2.30, 2.45, 2.60
DOF at PCoC Ø 0.04mm 102.0mm, 24.1mm, 8.0mm, 4.0mm
TV distortion (2/3") 0.06%, 0.00%, -0.08%, -0.15%
Flange Back 17.526 mm
Wavelength Visible (400nm - 700nm)
Mount C-Mount
Filter Thread M27 P=0.5
Sensor size (max.) 2/3"
Weight (approx.) 45g
Dimension Ø 32 (MAX)xL= 28.5 (0.04x)~ 32.2 (0.22x) mm


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Prices and specifications subject to change without notice.