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 CS-Mount 1.8-3.6mm Varifocal Lens from Computar captures images in 4.8 x 3.6mm (Ø6mm) format, and it features manual zoom and iris control. The lens is compatible with 1/3" cameras and uses a CS-mount for mounting to your camera.
Compatible with CS-mount cameras with 1/3" sensors
1.8-3.6mm focal length to clearly capture scenes requiring different focal settings
Aperture of f/1.6 to 16C enables use in low light as well as brightly lit conditions
Easy focal length adjustments
Manual iris for correct exposures
Built-in locking mechanisms for focus and iris and metal barrel and mount
In the Box
computar CS-Mount 1.8-3.6mm Varifocal Lens
Limited 3-Year Warranty
Table of Contents
Show moreShow less
Maximum Aperture Ratio
Max: 4.8 x 3.6 mm (ø6 mm)
Iris: f/1.6 to 16C Focus: 0.7' (0.2 m) to infinity Zoom: 1.8 to 3.6 mm
Iris / Focus / Zoom: Manual
Angle of View
173.8 to 99° (D), 144.2 to 79.4° (H), 109.9 to 59.6° (V)
-4 to 122°F (-20 to 50°C)
Effective Lens Aperture
Front: ø22.0mm Rear: ø7.9mm
Back Focal Length
Tele: 10.5mm Wide: 7.0mm
Flange Back Length
0.49" (12.5 mm)
Object Dimensions at M.O.D.
1.8 mm: 48.7 x 22.2" (123.8 x 56.5 cm)
3.6 mm: 13.1 x 9.0" (33.2 x 22.9 cm)