Waterproof 4mm M12 lens for up to 1/2.4" sensor such as ISX031

Automotive 4.3mm M12 Lens

The CIL342 is an automotive-grade 4mm M12 lens for up to 1/2.4" 3MP sensors such as ISX031. The fast F/1.8 with IP69K makes this lens ideal ADAS applications.

$39.00

CIL342-F1.9-M12A660 (F/1.9 / M12A / With 660nm IRC Filter): we try to restock quickly, contact for availability

CIL342-F1.9-M12ANIR (F/1.9 / M12A / Without Filter): we try to restock quickly, contact for availability

Lens Features

Low F/#

All-glass all-metal design, with F/1.6 for great low light performance.

Low Ghost

Stray light optimized for high dynamic range required in safety critical scenes.

Optical and Mechanical Specification Table

Lens Parameter Performance Detail
Part NumberCIL342
EFL4.3
F# 1.8
Resolution3MP (2.8um)
Field of View106°@7.4mm Image Circ.. Calculate FoV for your sensor
Image Circle7.4mm
Distortion-6% F-Θ
Weight5g
IR Cut-Off FilterOptional
ConstructionAll Glass, Metal

Mechanical Variants

Variant Description
M12A IP69K, BBAR on Lens 1 Surface 1, AL6061 Cap+Barrel

Mechanical Layout

Waterproof 4mm M12 lens for Robotics mechanical drawing
Same Day Ship by 12 PM PST
US-Based Optical Engineering Support
25,000+ Stock in California
100% MTF Tested

Frequently asked questions

What cameras is the Automotive 4.3mm M12 Lens compatible with?

The Automotive 4.3mm M12 Lens uses a standard M12x0.5 thread. Mechanical compatibility varies by camera manufacturer, so check the compatibility table above. Contact engineering@commonlands.com for specific camera fit guidance.

What resolution does the Automotive 4.3mm M12 Lens support?

3MP (2.8um)

Does Commonlands ship from the United States?

Yes. Commonlands ships from San Diego, California. Orders placed before 12 PM PST 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.

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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.