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The C-Mount 12-36mm Varifocal Lens from Computar is designed for use in close-up applications such as factory automation and image processing areas. It captures images in 8.8 x 6.6mm (Ø11mm) format, and it features manual zoom and iris control. The lens is compatible with 2/3" 1-1.5MP cameras and uses a C-mount for mounting to your camera.
Designed for C-mount cameras with 2/3" sensors
12-36mm focal length to clearly capture scenes requiring different focal settings
Maximum light intensity, even in peripheral areas
Can be used in close-up applications such as factory automation and image processing
Robust design with built-in locking mechanisms for focus and iris
In the Box
computar C-Mount 12-36mm Varifocal Lens
Limited 3-Year Warranty
Table of Contents
8.8 x 6.6 mm (ø11 mm)
Iris: f/2.8 to f/16C Focus (Tele): 0.65' to infinity (0.2 m to infinity) Focus: (Wide): 0.16' to infinity (0.05 m to infinity) Zoom: 0.47 to 1.41" (12 to 36 mm)
Iris / Focus / Zoom: Manual
Angle of View
50.4 to 16.8° (D), 41.0 to 13.6° (H), 31.2 to 10.4° (V)
-4 to 122°F (-20 to 50°C)
Effective Lens Aperture
Back Focal Length
Tele: 13.5mm Wide: 14.7mm
Tele: 3.5% (y=5.5), Wide: 2.6% (y=5.5)
Flange Back Length
0.69" (17.526 mm)
M35.5 P = 0.5 mm
Object Dimensions at M.O.D.
At 12 mm: 15.74 x 11.81" (400 x 300 mm) At 36 mm: 18.89 x 14.17" (480 X 360 mm)