S-Mount Fisheye Lens M12
200degree S-Mount Lens M12 Fisheye
S-Mount Fisheye Lens M12
200degree S-Mount Lens M12 Fisheye

S-Mount Miniature Fisheye Lens | 200° and 5MP-8MP up to 1/1.8" such as AR0521 and IMX678

200°@5.5mm Fisheye M12 Lens

The CIL237 is a 1.7mm M12 Fisheye Lens with 200°@5.5mm image circle, intended for sensors up to 5MP 1/2.5" and 8MP 1/1.8". The small 19mm TTL form factor and hybrid glass-plastic design make this a cost-competitive high performance lens.
$39.00
Selected Part Number is: CIL237-F2.2-M12A660
Request Volume Pricing

There are 71 units CIL237-F2.2-M12A660 (F/2.2 / M12A / With 660nm IRC Filter) in stock in the US.

There are 92 units CIL237-F2.2-M12ANIR (F/2.2 / M12A / Without Filter) in stock in the US.

Lens Features

200° FoV

Maximize your camera's viewing angle with a 5.5mm image circle.

Short TTL

19.0mm TTL for great size-performance-cost balance

F-Θ Distortion

<2% F-Θ distortion to 170° FoV for constant angular resolution 

Optical and Mechanical Specification Table
Lens Parameter Performance Detail
Part NumberCIL237
Format Type1/3" to 1/1.7"
EFL1.7mm
F#2.2 Fixed
Resolution5MP 1/2.5"-8MP 1/1.8"
Field of View192° @ 5.4mm image circle
Calculate for your sensor using our M12 Lens Calculator
Image Circle5.5mm
Distortion Special Distortion. See Spec. Less than 2% F-Θ to 5.0mm Im.Circ. -8% F-Θ @5.5mm Im.Circ
Weight5g
IR Cut-Off FilterP/N With: CIL237-F2.2-M12A650
P/N Without: CIL237-F2.2-M12ANIR
ConstructionGlass+Plastic, Metal
Mechanical Variants
Variant Description
"M12A" BBAR on Lens 1 Surface 1, Metal Cap+Barrel

Mechanical Layout

A 1.9mm Miniature M12 Fisheye Lens for AR0521 and IMX678
Camera Mechanical Compatibility Table*
Camera/Mount Compatibility
Commonlands Compatible Mount CLA020
e-con Systems Standard S-Mount 7mm-10mm tall mount
Allied Vision Alvium S-Mount No
FLIR Blackfly S Board No
iDS uEye LE Rev1.1: Yes, Rev1.2: Must order PN ending "C-NO"
The Imaging Source M12 Contact The Imaging Source
Basler Dart S-Mount No

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

M12 Lenses C Mount Lenses.webp__PID:d39df4c6-9351-4eae-9938-992a7c9a721e

Engineering & Quality Assured

Optical Engineering for M12 Lenses.webp__PID:cabadc1d-9038-478a-9ec1-b9515597d704

US Engineering Support

M12 Lens in the US.webp__PID:de4930ea-2073-44ee-ad75-d40d9d92487e

Easy Global Shipment

M12 Lens Manufacturing.webp__PID:7f1f5e48-3df5-4feb-9fa4-5a6210d8de49

Volume Production Ready

Here are a Few Similar Fisheye Lenses. Calculate the FoV (With Distortion!) using Our Lens Calculator

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