computar CS-Mount 4.5-12.5mm Varifocal Lens

computar CS-Mount 4.5-12.5mm Varifocal Lens

computar CS-Mount 4.5-12.5mm Varifocal Lens

B&H # CO3Z4512CSIR MFR # H3Z4512CS-IR
Special Order
Expected availability: 3-7 business days

Product Highlights

  • Compatible with 1/2" Day/Night Cameras
  • 4.5-12.5mm Focal Length
  • 108.0° to 37.6° Diagonal FOV
  • f/1.2 to f/16C Manual Iris
  • Manual Zoom and Focus
  • Focus: 0.98' to Infinity
  • 3x Zoom
  • IR-Corrected
  • Aspherical Lens Surface
  • CS-Mount Connection
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  • 1Description

The CS-Mount 4.5-12.5mm Varifocal Lens from computar is designed for day/night cameras with 1/2" 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/1.2 to f/16C, 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 1/2" sensors
4.5-12.5mm focal length translates into a zoom of 3x
Easy focal length adjustments
Aperture of f/1.2 to f/16C enables use in low-light as well as bright light conditions
Manual iris for correct exposures
IR correction minimizes focus shift and IR bleed, making the lens suitable for 24-hour surveillance operations
Aspherical lens surface provides corner-to-corner sharpness for all aperture settings
UPC: 781904304011
In the Box
computar CS-Mount 4.5-12.5mm Varifocal Lens
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description
    Focal Length 4.5-12.5mm
    Aperture Ratio 1:1.2
    Image Format 6.4 x 4.8 mm (ø8 mm)
    Operation Range Iris: f/1.2 to f/16C
    Focus: 0.98' to infinity (0.3 m to infinity)
    Control Iris / Focus / Zoom: Manual
    Angle of View 1/2-type: 108.0° to 37.6° (D), 83.7° to 30.1° (H), 61.3° to 22.6°(V)
    Operating Temperature -4 to 122°F (-20 to 50°C)
    Effective Lens Aperture Front: ø19.9 mm
    Rear: ø9.9 mm
    Back Focal Length Tele: 16.5mm
    Wide: 8.5 mm
    Flange Back Length 0.49" (12.5 mm)
    Mount CS-mount
    Filter Size M35.5 P= 0.5 mm
    Object Dimensions at M.O.D. At 4.5 mm: 21.14 x 14.01" (537 x 356 mm)
    At 12.5 mm: 6.33 x 4.72" (161 x 120 mm)
    Certifications CE, RoHS
    Dimensions ø1.63 x 1.92" (ø41.6 x 48.8 mm)
    Weight 2.32 oz (66 g)
    Packaging Info
    Package Weight 0.15 lb
    Box Dimensions (LxWxH) 3.2 x 2.7 x 2.4"
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