COMPUTAR H3Z4512CS-IR Product Description:

1/2" 4.5-12.5mm f1.2 Varifocal, Manual Iris (CS Mount) Day/Night IR

Computar Varifocal IR (infrared) manual iris lenses are designed for use with Day/Night cameras. They eliminate focus shift in night mode, especially in the presence of IR lighting.

All lenses are CS-Mount, comprised of all glass optics, come with locking set screws and a durable metal barrel and mount.

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COMPUTAR H3Z4512CS-IR Technical Information

• Focal Length: 4.5mm - 12.5mm
• Max. Aperture Ratio: 1:1.2
• Max. Image Format: 6.4mm x 4.8mm (8mm)
• Operation Range:
  Iris: F1.2 - F16C
  Focus: 0.3m - Inf.
  Zoom: 4.5mm - 12.5mm
• Control:
  Iris: Manual Iris
  Focus: Manual
  Zoom: Manual
• Object Dimension at M.O.D.:
  4.5mm - 53.7cm x 35.6cm
  12.5mm - 16.1cm x 12cm
• 1/2" Type Angle of View:
  (D) 103.0^o - 37.4^o
  (H) 81.6^o - 30.0^o
  (V) 60.4^o - 22.6^o
• 1/3" Type Angle of View:
  (D) 76.2^o - 28.2^o
  (H) 60.4^o - 22.6^o
  (V) 45.0^o - 17.0^o
• 1/4" Type Angle of View:
  (D) 56.5^o - 21.1^o
  (H) 44.9^o - 16.9^o
  (V) 33.5^o - 12.7^o
• Operating Temperature: -20^o - + 50^oC
• Effective Lens Aperture:
  Front: 19.0mm
  Rear: 10.30mm
• Back Focal Length:
  Tele: 18.3mm
  Wide: 9.9mm
• Flange Back Length: 12.5mm
• Mount: CS-Mount
• Filter Size: ---
• Dimensions: 41.6mm x 48.8mm
• Weight: 63g

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