Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
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)