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Computar : T4Z2813CS-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
1/3" Manual Iris IR Series

The Computar T4Z2813CSIR varifocal lens has a 2.8-12 mm focal length and a Manual Iris range at F1.3. The T4Z2813CS IR has a 1/3" Format with a CS Mount Corrected for True Day/Night operation. Locking set screws on zoom, focus, and iris rings as well as precision all glass optics ensure minimal distortion for this varifocal lens.

Focal Length 2.8 - 12mm
Max.Aperture Ratio 1:1.3
Max. Image Format 4.8mm x 3.6mm
Operation Range Iris F1.3 - F16C; Focus 0.3m - Inf.; Zoom 2.8mm - 12mm
Control Iris = Manual; Focus = Manual; Zoom = Manual
Angle of View D = 133.0 - 29.7; H = 102.2 - 23.7; V = 74.2 - 17.8
Operating Temperature -10C - 50C
Effective Lens Aperture Front = 23.0mm; Rear = 7.4mm
Back Focal Length Tele = 19.2mm; Wide = 7.2mm
Flange Back Length 12.5mm
Mount CS-Mount
Dimensions 40.7mm x 56.0mm
Weight 63g


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Prices and specifications subject to change without notice.