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The CS-Mount 10-30mm Varifocal Lens from Computar is designed for cameras with 1/2" format sensors. The lens facilitates easy focal length adjustments, enabling you to change the focal length without having to move your camera from its installation point. With an aperture of f/1.4 to 16C, the lens is suitable for surveillance in low light as well as brightly lit conditions.
Designed for CS-mount cameras with 1/2" sensors
10-30mm focal length to clearly capture scenes requiring different focal settings
Easy focal length adjustments
Aperture of f/1.4 to 16C enables use in low light as well as brightly lit conditions
Comes with locking set screws and a durable metal barrel and mount
In the Box
computar CS-Mount 10-305mm Varifocal Lens
Limited 3-Year Warranty
Table of Contents
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6.4 x 4.8 mm (ø8 mm)
Iris: f/1.4 to f/16C Focus: 2' to infinity (0.6 m to infinity) Zoom: 0.4 to 1.2" (10 to 30 mm)
Iris / Focus / Zoom: Manual
Angle of View
1/2-type: 44.8 to 15.6° (D), 35.8 to 12.5° (H), 26.8 to 9.4° (V)
-4 to 122°F (-20 to 50°C)
Effective Lens Aperture
Back Focal Length
Tele: 0.39" (9.8mm) Wide: 0.43" (11mm)
Flange Back Length
0.49" (12.5 mm)
M37.5 P= 0.01" (0.5 mm)
Object Dimensions at M.O.D.
At .4" (10 mm): 15.28 x 11.26" (388 x 286 mm)
At 1.19" (30 mm): 51.61 x 3.90" (1311 x 99 mm)