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Computar : HG3Z4512AFCS-IR

By: Computar
Lens Optics for over 40 Years
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
1/2" 4.5-12.5mm F1.2 Varifocal, Video Auto Iris (CS Mount) Day/Night IR

The ComputarHG3Z4512AFCSIR varifocal video auto iris lens offers maximum flexibility in camera installations requiring a wide range of focal lengths. The HG3Z4512AFCS IR has a Focal Length of 4.5-12.5mm, Iris range of F1.2, and 1/2" Format. All lenses are CS-Mount, comprised of all glass optics, come with locking setscrews and a durable metal barrel and mount, the HG3Z4512AFCS-IR is covered by a three year warranty.

Focal Length 4.5mm - 12.5mm
Max. Aperture Ratio 1:1.2
Max. Image Format 6.4mm x 4.8mm
Operation Range Iris = F1.2 - F360C; Focus = 0.3m-Inf.; Zoom = 10mm - 30mm
Control Iris = Video Auto Iris; Focus = Manual; Zoom = Manual
Object Dimension at M.O.D 4.5mm (53.7cm x 35.6cm); 12.5mm (16.1cm x 12cm)
Angle of View D = 108.0 - 37.6; H = 83.7 - 30.1; V = 61.3 - 22.6
Supply Voltage DC8.5V - DC16V
Current Less than 40mA
Response Time Approx. 2 sec.
Light Weighting Method Adjustable between Average - Peak(to be Set at Average at Factory)
Input Signal Video Signal (V. or V.S.)
Iris Accuracy plus or minus 15% at Video Signal Level
Sensitivity Adjustment 0.5V(p-p) - 1.0V(p-p) (Video Signal)
Input Impedance High Impedance
Operating Temperature -20C - 50C
Effective Lens Aperture Front = 19.9; Rear = 9.9mm
Back Focal Length Tele = 16.5mm; Wide = 8.5mm
Flange Back Length 12.5mm
Mount CS-Mount
Filter Size M35.5 P=0.5mm
Dimensions 38.5mm x 47.5mm x 48.8mm
Weight 73g


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Prices and specifications subject to change without notice.