computar H3Z4512CS-IR 1/2" Varifocal Day/Night Lens (4.5-12.5mm)

B&H # CO3Z4512CSIR MFR # H3Z4512CS-IR
computar H3Z4512CS-IR 1/2" Varifocal Day/Night Lens (4.5-12.5mm)


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Product Highlights

  • Designed for CS-Mount Cameras
  • For 1/2" Format Sensors
  • 4.5-12.5mm Focal Length
  • 3x Zoom
  • Aperture of f/1.2 to 16C
  • Focus 0.3 m to Infinity
  • Manual Zoom & Focus
  • Manual Iris
  • IR-Corrected
  • Aspherical Lens Surface
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You Pay: $105.00

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The computar H3Z4512CS-IR 1/2” Varifocal Day/Night Lens (4.5-12.5mm) is designed for CS-mount day/night cameras with 1/2” format sensors. This lens facilitates easy focal length adjustments without having to move the camera from its installation point. With an aperture of f/1.2 to 16C, the lens is suitable for surveillance in low-light as well as bright light conditions. In addition, this IR-corrected day/night 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 16C ensures enhanced performance in low-light as well as bright light conditions
Manual iris for correct exposures
Infrared correction eliminates focus shift and IR bleed, making the lens suitable for 24-hour surveillance operations
Aspherical lens surface ensures that the images reproduced have corner-to-corner sharpness for all aperture settings
UPC: 781904304011
Focal Length 4.5-12.5 mm
Aperture Ratio 1:1.2
Image Format 6.4 x 4.8 mm (ø8 mm)
Operation Range Iris: F1.2 to 16C
Focus: 0.98' to infinity (0.3 m to infinity)
Zoom: 0.17 to 0.49" (4.5 to 12.5 mm)
Control Iris: Manual 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: 0.64 (16.5 mm)
Wide: 0.33" (8.5 mm)
Flange Back Length 0.49" (12.5 mm)
Mount CS-mount
Filter Size M35.5 P= 0.01" (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"
computar H3Z4512CS-IR 1/2" Varifocal Day/Night Lens (4.5-12.5mm)
  • 3-Year Warranty
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