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The computar H27Z1970AMS 1/2" Video Auto-Iris Lens (19 to 513mm) provides remote control of focal length, iris, and focus through the use of a lens controller for use where variable focal length and remote control are required. They are ideal for applications requiring long distance surveillance like parking lots, highways, etc.
In the Box
computar H27Z1970AMS 1/2" Video Auto-Iris Lens (19 to 513mm)
Table of Contents
19 to 513 mm
6.4 x 4.8 mm (Ø8 mm)
Iris: F7.0 to F2000 (W / ND filter) Focus: 4.92' to infinity (1.5 m to infinity) Zoom: 0.74 to 20.19" (19 to 513 mm)
Iris: Video auto-iris Focus / Zoom: Motorized
Angle of View
22.85 to 0.89˚ (D), 18.7 to 0.71° (H), 14.17 to 0.53° (V)
Iris / Focus / Zoom: 6 to 12 VDC
Iris / Focus / Zoom: 40 mA or less
Iris: 3 to 8 sec approximately Focus: 4 to 8 sec approximately Zoom: 3.5 to 7 sec approximately
Light Weighting Method
Adjustable between average and peak (to be set at Average at factory)
Video signal (V. or V.S.)
±15% accurate at video signal level
0.4 to 1.0 Vpp (video signal)
14 to 122°F (-10 to 50°C)
Effective Lens Aperture
Front: Ø70.3 mm Rear: Ø13.6 mm
Back Focal Length
Flange Back Length
0.69" (17.53 mm)
M77 P = 0.75 mm
Object Dimensions at M.O.D.
At 19 mm: 18.46 x 13.85" (469 x 352 mm) At 513 mm: 65.55 x 4.92" (1665 x 125 mm)