COMPUTAR T4Z2813CS Product Description:

1/3" 2.8-12mm f1.3 Varifocal, Manual Iris (CS Mount)

Computar varifocal manual iris lenses offer maximum flexibility in camera installations requiring a wide range of focal lengths. Focal length adjustments can be made with a turn of the dial, virtually eliminating the cost and inventory problems associated with improper monofocal lens selection. All lenses are CS-Mount, comprised of all glass optics, come with locking setscrews and a durable metal barrel and mount.

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COMPUTAR T4Z2813CS Technical Information

• Focal Length: 2.8mm - 12mm
• Max. Aperture Ratio: 1:1.3
• Max. Image Format: 4.8mm x 3.6mm (6mm)
• Operation Range:
  Iris: F1.3 - F16C
  Focus: 0.3m - Inf.
  Zoom: 2.8mm - 12mm
• Control:
  Iris: Manual
  Focus: Manual
  Zoom: Manual
• Object Dimension at M.O.D.:
  2.8mm - 69.3cm x 44.9cm
  12mm - 12.6cm x 9.4cm
• 1/3" Type Angle of View:
  (D) 121.8^o - 29.6^o
  (H) 98.2^o - 23.8^o
  (V) 73.6^o - 17.8^o
• Operating Temperature: -20^o - + 50^oC
• Effective Lens Aperture:
  Front: 22.0mm
  Rear: 8.8mm
• Back Focal Length:
  Tele: 20.2mm
  Wide: 8.1mm
• Flange Back Length: 12.5mm
• Mount: CS-Mount
• Filter Size: ---
• Dimensions: 40.7mm x 56mm
• Weight: 64g

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