5.5mm F/2.9 M12 Lens CIL054

Low Distortion 5.5mm M12 Lens

The CIL054 is a 5.5mm F/2.9 M12 lens with an 8.0mm design image circle and an 8.2mm maximum image circle. Its all-glass optics sit in a 6061 aluminum barrel. The lens weighs 5.6g.

$49.00

50pcs CIL054-F2.9-M12A650 (F/2.9 / M12A / With 650nm IRC Filter) in stock in the US

28pcs CIL054-F2.9-M12ANIR (F/2.9 / M12A / Without Filter) in stock in the US

In stock. Orders before 12 PM PT ship same day

Lens Features

8.0mm Design Image Circle

5.5mm effective focal length at F/2.9. Maximum image circle: 8.2mm. Nominal resolution: 12MP at 2.6μm pixel pitch.

25.0mm Total Track Length

M12×0.5 mounting thread and a 14.0mm front diameter. All-glass optics in a 6061 aluminum barrel weighing 5.6g.

Optical and Mechanical Specification Table

Lens Parameter Performance Detail
Part NumberCIL054
Format Type1/1.2" (as listed in drawing)
EFL5.5
F# 2.9
Resolution12MP, 2.6μm pixels (nominal)
Image Circle8.0mm design; 8.2mm maximum
Weight5.6g
IR Cut-Off Filter650nm IR-cut filter or no filter
ConstructionAll-glass optics; 6061 aluminum barrel
Chief Ray Angle12°

Mechanical Variants

Variant Description
M12A M12×0.5 thread; Ø14.0mm front diameter; 25.0±0.3mm total track length; 4.8mm front section; 13.9±0.3mm shoulder-to-rear dimension; 6.3±0.3mm rear-to-image-plane distance; 0.5mm cover glass.

Mechanical Layout

CIL054: M12×0.5 thread, 14.0mm front diameter, and 25.0±0.3mm total track length mechanical drawing
Same Day Ship by 12 PM PT
US-Based Optical Engineering Support
25,000+ Stock in California
100% MTF Tested

Frequently asked questions

What cameras is the Low Distortion 5.5mm M12 Lens compatible with?

Check this product's mechanical drawing and selected variant for its interface, dimensions, and required clearances. Contact engineering@commonlands.com for compatibility with your camera or assembly.

What resolution does the Low Distortion 5.5mm M12 Lens support?

12MP, 2.6μm pixels (nominal)

Does Commonlands ship from the United States?

Yes. Commonlands ships from San Diego, California. Orders placed before 12 PM PT ship same day. Contact engineering@commonlands.com for support.

Can I get volume pricing?

Standard price breaks start at quantities of 50, 100, 250, 500, 1k, 2.5k, 5k, 10k, and 25k. Click "Get Volume Pricing" above or contact sales@commonlands.com.

CIL054 has a 5.5mm effective focal length (EFL), an F/2.9 aperture, and a 12° chief ray angle (CRA). The drawing lists a nominal resolution of 12MP at 2.6μm pixel pitch and a 1/1.2-inch format type. Check the sensor’s active diagonal against the 8.0mm design image circle; the maximum image circle is 8.2mm.

The M12A housing uses an M12×0.5 thread and a 14.0mm front diameter. Total track length (TTL), from the front of the lens to the image plane, is 25.0±0.3mm. The drawing shows a 4.8mm front section, a 13.9±0.3mm shoulder-to-rear dimension, and 6.3±0.3mm from the rear of the housing to the image plane. The specified cover glass is 0.5mm thick.

Choose the 650nm IR-cut filter variant or the variant without a filter. The linked 3D model shows CIL054-F2.9-M12A650. Operating and storage temperature ranges are not specified in the drawing dated October 15, 2026.

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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.