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Marshall Electronics Optical Division - CS Mount varifocal lenses for the security, robotics, imaging, machine vision, OEM applications, broadcast, automobile, industrial video, covert security, and surveillance markets.

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CS Mount Varifocal Lenses with DC Auto Iris
For use with CV-340, CV-335, and other CS Mount Cameras with Auto-Iris

CS-Mount varifocal lenses

Varifocal lenses permit users to change the effective focal length (EFL) and the horizontal angle of view. This flexibility allows camera installations in a variety of places that often require lenses of different focal lengths.


  • 1/3", 1/2.7", 1/2.5", 1/4" 2MP CMOS Sensors
  • CS Lens Mount with 4Pin DC Auto-Iris Plug
  • Manual Focus Varifocal Lens
  • Maximum Relative Aperture: F1.2 ~ ∞
  • Angle of View determined by model #
Specifications for CS Mount Megapixel Varifocal Lenses
  Part No. Megapixel Rating Focal Length Horizontal AOV Iris F-Stop Focus Range from Front of Lens
 VS-M2812-2 Varifocal CS Mount Lens VS-M2812-2 3MP 2.8~12mm 98°~25° DC Auto
(4 pin)
F1.4 ∞ - 0.3m
VS-M419-6MP 6MP Varifocal CS Mount Lens VS-M419-6MP 6MP 4.1~9mm 72°~33° (1/3"),
97°~44° (1/2")
DC Auto
(4 pin)
F1.6 - T360 ∞ - 0.3m
VS-M550-4, 5-50mm CS-Mount F1.6 IR-Corrected DC Auto-Iris Varifocal Lens VS-M550-4 3MP 5~50mm 56°~6° DC Auto
(4 pin)
F1.4 ∞ - 0.3m
CS mount 3MP Varifocal Manual Focus Lens from FUJINON VS-M1550-A 3MP 15~50mm 20°~6° DC Auto
(4 pin)
F1.5 ∞ - 0.8m
CS mount 3MP Varifocal Manual Focus Lens from FUJINON VS-M880-A 3MP 8~80mm 38°~3° (1/3")
50°~5° (1/2")
DC Auto
(4 pin)
F1.4 ∞ - 1.5m

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