No Distortion 4.2mm M12 Lens
No Distortion 4.2mm M12 Lens
No Distortion 4.2mm M12 Lens

No Distortion 4mm M12 Lens for up to 8MP+ 1/1.7" such as IMX678 and IMX334

No Distortion 4.2mm M12 Lens

The CIL042 is a low distortion 4mm M12 lens which provides a 88° Horizontal Field of View on 1/1.7" sensors. The lens is suitable up to 1/1.6" format type such as AR0822 and IMX226. The fast F/1.9 combined with low distortion makes this lens great for robotics and video conferencing applications.

4.8 ( 50 reviews)

$49.00
$0.00

There are 164 units CIL042-F1.9-M12A650 (F/1.9 / M12A / With 650nm IRC Filter) in stock in the US.

There are 58 units CIL042-F1.9-M12ANIR (F/1.9 / M12A / Without Filter) in stock in the US.

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Lens Features

No Distortion

<1% Optical Distortion for Wide Angle

Large Format

Image Circle of >=9.4mm for 1/1.7"+ Sensors

Optical and Mechanical Specification Table

Lens ParameterPerformance Detail
Part NumberCIL042
Format Type 1/1.7"
EFL4.2mm
F# 1.9 Fixed
Resolution 8MP+
Field of View97° @ 9.4mm image circle
Calculate for your sensor using our M12 Lens Calculator
Image Circle9.4mm+
Distortion-0.7% TV
Weight10.7g
IR Cut-Off FilterP/N With: CIL042-F1.9-M12A650
P/N Without: CIL042-F1.9-M12ANIR
ConstructionGlass and Plastic

Mechanical Variants

Variant Description
"M12A" Not Ingress Protected, BBAR on Lens 1 Surface 1, AL6061 Barrel

Mechanical Layout

4mm M12 Lens Low Distortion

Camera Mechanical Compatibility Table*

Camera/MountCompatibility
Commonlands Compatible MountCLA024
e-con Systems / Standard S-Mount8mm-13mm tall M12 holder
Allied Vision Alvium S-MountYes
FLIR Blackfly S BoardYes
iDS uEye LEYes
The Imaging Source M12Rev1.1: Yes, Rev1.2: Must use PN ending "C-NO"
Basler Dart S-MountYes

*Mechanical compatibility only, assuming the standard M12x0.5 lens mount provided by the camera manufacturer. Please check optical compatibility separately.

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Engineering & Quality Assured

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US Engineering Support

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Easy Global Shipment

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Volume Production Ready

A few Similar Low Distortion S-Mount Lenses. Search all 50+ M12 Lenses.

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No Distortion 4.2mm M12 Lens

CIL042-F1.9-M12A650

No Distortion 4.2mm M12 Lens
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IR Corrected 12mm M12 Lens

CIL122-F2.0-M12A650

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Looking for recommendations, trying to figure out where to start, or want to discuss customizations? Contact our US-based Optical Engineers.