Product Description
The computar C-Mount 55mm Telecentric Fixed Focus Lens is designed for use with cameras featuring a 2/3″ image sensor and a C-Mount. The lens offers a low distortion percentage and a high relative illuminance.
Wide depth-of-field
Working distance 5.51″ to infinity (140mm to infinity)
Suitable for use as a telephoto lens and macro lens
Fast F/2.8 F-stop at infinity
Imager Size 2/3″
Mount C-mount
Operation Range Iris: F2.8 to 32C
Focus: 0.45′ to infinity (0.14 m to infinity)
Focal Length 55mm
Maximum Aperture Ratio 1:2.8
Effective Lens Aperture Front: ø33 mm
Rear: ø13.3 mm
Image Format 8.8 x 6.6 x 11 mm
Control Iris: Manual
Focus: Manual
Angle of View 2/3″: 11.5 x 9.2 x 6.9°
Back Focal Length 29.8mm
Flange Back Length 0.69″ (17.526 mm)
Filter Size M43 x 0.75 mm
Object Dimensions at M.O.D. 0.66 x 0.51″ (17 x 13 mm)
Operating Temperature -4 to 122°F (-20 to 50°C)
Dimensions 2.08 x 3.65″ (53 x 92.9 mm)
Weight 11.28 oz (320 g)
Packaging Info
Package Weight 0.75 lb
Box Dimensions (LxWxH) 5.0 x 3.1 x 3.0″