25mm C-Mount lens for up to 2/3" sensors such as IMX487 and Sony IMX536

25mm C-Mount Lens 2/3" 12MP

The CIL534 is a 25mm C-Mount Lens that is good for Machine Vision Cameras up to 2/3" Format with 10-12MP resolution that have 2.1um~2.74um pixel pitch. The lens is optimized from 200mm to infinity and has an adjustable F/2.0-F/16 aperture.
$149.00

26pcs CIL534-F2.0-CMANIR (F/2.0 / Without Filter / C-Mount A) in stock in the US

In stock — orders before 12 PM PST ship same day

Lens Features

Adjustable Aperture

Adjustable F2.0-F/16 aperture to optimized depth of field of your system.

Finite Conjugate Optimized

Achieve crystal clear images from 100mm to infinity without field curvature.

Optical and Mechanical Specification Table

Lens Parameter Performance Detail
Part NumberCIL534
EFL25.0
F# 2.05
Resolution12MP (2.2um)
Field of View26° @ 11mm — Calculate FoV for your sensor
Distortion0% from Rectilinear @ MoD
Weight50g
ConstructionAll Glass

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 CIL534 25mm C-mount lens?

The CIL534 supports 2/3 inch sensors up to 12MP with 2.2um pixel pitch, including the Sony IMX487 and IMX536. Its >11mm image circle covers the full 2/3 inch format.

Does the CIL534 really have 0% distortion?

Yes. The CIL534 measures 0% from rectilinear at minimum object distance. That is why it is a strong option for precision measurement and gauging systems.

What is the minimum working distance for the CIL534?

The CIL534 focuses from 200mm to infinity. If your setup needs shorter working distance, the CIL532 at 12mm or the CIL533 at 16mm will focus closer.

Can I adjust the aperture on the CIL534 25mm lens?

Yes. The CIL534 has a manual iris from F/2.0 to F/16. That range lets you set the balance between light and depth of field for your working distance. You can compare settings at depth of field calculator

How does the CIL534 compare to the CIL514 25mm C-mount lens?

The CIL534 covers 2/3 inch sensors with an 11mm-plus image circle, while the CIL514 covers larger 1.1 inch sensors. If you are using a 2/3 inch camera, the CIL534 is the more appropriate and more cost-effective choice.

Does the CIL534 ship same day from the US?

Yes. Orders placed before 12 PM PST ship the same day from our San Diego warehouse. Volume pricing is available for quantity orders.

The CIL534 is a 25mm C-mount lens for 2/3" sensors at 12MP resolution with 2.2um pixel pitch. It covers sensors like the Sony IMX487 and IMX536, and the iris adjusts from F/2.0 to F/16. This lens is the right choice when the system needs tighter framing and cleaner geometry than short focal lengths can give you.

The CIL534 measures 0% from rectilinear at minimum object distance. That result is rare at this price point, and it is exactly why the lens works so well in gauging, precision metrology, and dimensional inspection. The 26° field of view keeps the framing tight, while the >11mm image circle covers the full 2/3" sensor without vignetting. You can check coverage at field of view calculator

The lens uses an all-glass optical design in a 50g barrel, which makes it the lightest optic in the CIL53x series. The front takes M25.5x0.5 filters. The optical design is optimized from 200mm to infinity for finite conjugate work, so corner sharpness stays consistent across the actual working range instead of only at infinity.

The standard C-mount interface fits cameras from Basler, FLIR, Lucid Vision, Allied Vision, and other industrial camera vendors. The 25mm focal length is common in inspection systems that need moderate magnification for quality checks, OCR, and assembly verification. If you need more context on the mount itself, see lens mount guide

The CIL534 is available as CIL534-F2.0-CMANIR without a filter. All in-stock units ship the same day from San Diego when you order before 12 PM PST. Contact our optical engineering team if you need volume pricing, Trioptics MTF data, or STP mechanical files.

Similar C‑Mount Lenses: 4mm – 75 mm Industrial Optics

CIL508-F2.4-CMANIR

8mm C-Mount Lens 1.1" 12MP

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CIL512-F2.8-CMANIR

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CIL513-F2.8-CMANIR

16mm C-Mount Lens 1.1" 12MP

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CIL514-F2.8-CMANIR

25mm C-Mount Lens 1.1" 12MP

$249.00

CIL515-F2.8-CMANIR

35mm C-Mount Lens 1.1" 12MP

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CIL516-F2.8-CMANIR

50mm C-Mount Lens 1.1" 12MP

$249.00

CIL532-F2.0-CMANIR

12mm C-Mount Lens 2/3" 12MP

$149.00

CIL536-F2.8-CMANIR

50mm C-Mount Lens 2/3" 12MP

$149.00

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.