Computar CS-Mount 2.8-12mm Varifocal Lens

BH #COTG4Z2813FC • MFR #TG4Z2813FCS-IR
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Computar CS-Mount 2.8-12mm Varifocal Lens
Key Features
  • Compatible with 1/3" Day/Night Cameras
  • 2.8-12mm Focal Length
  • f/1.3 to f/360C DC Auto Iris
  • Focus: 0.98' to Infinity
The CS-Mount 2.8-12mm Varifocal Lens from computar is designed for CS-mount day/night cameras with 1/3” format sensors. The lens facilitates easy focal length adjustments, enabling you to change the focal length without having to move your camera from its installation point. With an aperture of f/1.3 to f/360C, the lens is suitable for surveillance in low-light as well as bright light conditions. Furthermore, this IR-corrected lens captures clear images, eliminating focus shift and infrared bleed.
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Computar TG4Z2813FCS-IR Overview

The CS-Mount 2.8-12mm Varifocal Lens from computar is designed for CS-mount day/night cameras with 1/3” format sensors. The lens facilitates easy focal length adjustments, enabling you to change the focal length without having to move your camera from its installation point. With an aperture of f/1.3 to f/360C, the lens is suitable for surveillance in low-light as well as bright light conditions. Furthermore, this IR-corrected lens captures clear images, eliminating focus shift and infrared bleed.

Designed for CS-mount day/night cameras with 1/3" sensors
2.8-12mm focal length to clearly capture scenes requiring different focal settings
Easy focal length adjustments
Aperture of f/1.3 to f/360C enables use in low-light as well as bright light conditions
Auto Iris mechanism provides detailed images, even in areas with varying light intensity
IR correction eliminates focus shift and IR bleed, making the lens suitable for 24-hour surveillance operations
Aspherical lens surface allows for corner-to-corner sharpness for all aperture settings

Computar TG4Z2813FCS-IR Specs

Focal Length
2.8-12mm
Aperture Ratio
1:1.3
Image Format
4.8 x 3.6 mm (ø6 mm)
Operation Range
Iris: f/1.3 to f/360C
Focus: 0.98' to infinity (0.3 m to infinity)
Control
Iris: DC Auto Iris
Focus / Zoom: Manual
Angle of View
1/3-type: 133° to 29.7° (D), 102.2° to 23.8° (H), 74.2° to 17.8° (V)
Coil
Drive: 190 ohm
Control: 855 ohm
Operating Temperature
14 to 122°F (-10 to 50°C)
Effective Lens Aperture
Front: ø23.0 mm
Rear: ø7.2 mm
Back Focal Length
Tele: 20.2mm
Wide: 8.1mm
Flange Back Length
0.49" (12.5 mm)
Mount
CS-mount
Certifications
CE, RoHS
Dimensions
ø1.47 x 1.88 x 2.20" (ø37.5 x 48 x 56 mm)
Weight
2.50 oz (71 g)
Packaging Info
Package Weight
0.2 lb
Box Dimensions (LxWxH)
3.2 x 2.5 x 2"

Computar TG4Z2813FCS-IR Reviews

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