35mm C-Mount lens for up to 2/3" sensors such as IMX264 and IMX547

35mm C-Mount Lens 2/3" 5MP

The CIL526-F1.5-CMANIR is a fast 35mm C-Mount lens for up to 5MP 2/3" sensors with 3.45um pixel pitch. The aperture is adjustable from F/1.5 to F/16 and the lens has a minimum working distance of 200mm.

$199.00

17pcs CIL526-F1.5-CMANIR (F/1.5 / Without Filter / C-Mount A) in stock in the US

2pcs CIL526-F1.5-CMRNIR (F/1.5 / Without Filter / C-Mount Ruggedized) in stock in the US

2pcs CIL526-F2.0-CMRNIR (F/2.0 / Without Filter / C-Mount Ruggedized) in stock in the US

2pcs CIL526-F2.8-CMRNIR (F/2.8 / Without Filter / C-Mount Ruggedized) in stock in the US

1pcs CIL526-F4.0-CMRNIR (F/4.0 / Without Filter / C-Mount Ruggedized) in stock in the US

In stock — orders before 12 PM PST ship same day

Lens Features

8MP Resolution

Suitable for 2.74um pixel pitch at F/2.8

“R” Ruggedized Version Available

Build a vibration-resistant computer vision camera..

Optical and Mechanical Specification Table

Lens Parameter Performance Detail
Part NumberCIL526
EFL35.0
F# 1.5
Resolution8MP (2.74um)
Field of View17° @ 11.00mm image circle — Calculate FoV for your sensor
Image Circle12.8mm
Distortion-0.8% from Rectilinear
Weight122g
ConstructionGlass
Chief Ray Angle

Mechanical Layout

Same Day Ship by 12 PM PST
US-Based Optical Engineering Support
25,000+ Stock in California
100% MTF Tested

Frequently asked questions

What sensors work with the CIL526 35mm C-mount lens?

The CIL526 fits 2/3″ sensors including the Sony IMX264 and IMX547 at up to 8MP resolution with 2.74µm pixel pitch. The 12.8mm image circle covers the full 2/3″ format.

What is the difference between CMA and CMR variants of the CIL526?

The CMA variant has an adjustable aperture from F/1.5 to F/16. The CMR variants use fixed apertures and locked mechanical parts, which makes more sense in vibration and shock environments.

What aperture range does the CIL526 offer?

The standard CIL526-F1.5-CMANIR adjusts from F/1.5 to F/16. Ruggedized variants are available at fixed F/1.5, F/2.0, F/2.8, and F/4.0. You can use depth of field calculator to choose the aperture for your working distance.

How much distortion does the CIL526 35mm lens have?

Distortion is -0.8% from rectilinear at the 11mm image circle. That level works for most machine vision inspection and measurement tasks without software correction.

Does the CIL526 ship same day from the US?

Yes, all in-stock CIL526 variants ship same day from San Diego for orders placed before 12 PM PST. Volume pricing starts at 50 units.

What is the minimum working distance of the CIL526?

The minimum working distance is 200mm, measured from the front of the lens to the object plane. The CIL526 focuses from 200mm to infinity.

CIL526 is a 35mm C-mount lens for 2/3" sensors at up to 8MP resolution with 2.74µm pixel pitch. The standard CMA variant adjusts from F/1.5 to F/16. The ruggedized CMR variants lock the aperture at F/1.5, F/2.0, F/2.8, or F/4.0 for vibration-prone environments. The minimum working distance is 200mm.

F/1.5 is fast for a 35mm C-mount lens, and that speed matters when frame rate is high or the factory floor lighting is weak. The lens gives you a 17° field of view on a 2/3" sensor at the 11mm image circle, and distortion stays at -0.8% from rectilinear. The 12.8mm image circle also covers sensors up to 2/3" format without vignetting.

The lens uses all-glass construction, weighs 122g, and carries an M35.5x0.5 filter thread for standard filters. It pairs well with sensors like the Sony IMX264 and IMX547. You can use field of view calculator to confirm coverage on your sensor format.

The ruggedized CMR version replaces the adjustable iris with a fixed aperture and locks the moving parts for sustained vibration or shock. Commonlands offers five SKUs in this family: CIL526-F1.5-CMANIR, CIL526-F1.5-CMRNIR, CIL526-F2.0-CMRNIR, CIL526-F2.8-CMRNIR, and CIL526-F4.0-CMRNIR.

All variants ship same day from San Diego before 12 PM PST. Volume pricing starts at 50 units. You can contact engineering for application support or custom configurations.

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About Commonlands

Commonlands LLC designs and manufactures precision M12, C-mount, and M8 lenses for machine vision, robotics, and embedded camera systems. Based in San Diego, California, we stock inventory for same-day shipping and provide direct access to US-based optical engineers. Whether you need a single prototype lens or production volumes of 25,000+, our team supports the full lifecycle from optical design consultation through volume fulfillment.

Need help selecting the right lens for your camera module?

Contact our US-based Optical Engineers.