S-Mount Fisheye Lens M12
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.

4.8 ( 50 reviews)

$39.00
$0.00

There are 61 units CIL237-F2.2-M12A660 (F/2.2 / M12A / With 660nm IRC Filter) in stock in the US.

There are 69 units CIL237-F2.2-M12ANIR (F/2.2 / M12A / Without Filter) in stock in the US.

Get Volume Pricing
.STP / DrawingEngineering Support

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 ParameterPerformance Detail
Part NumberCIL237
Format Type 1/3" to 1/1.7"
EFL1.7mm
F# 2.2 Fixed
Resolution 5MP 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
DistortionSpecial 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

200 degree lens M12 fisheye

Camera Mechanical Compatibility Table*

Camera/MountCompatibility
Commonlands Compatible MountCLA020
e-con Systems / Standard S-Mount7mm-10mm tall mount
Allied Vision Alvium S-MountNo
FLIR Blackfly S BoardNo
iDS uEye LERev1.1: Yes, Rev1.2: Must order PN ending "C-NO"
The Imaging Source M12Contact The Imaging Source
Basler Dart S-MountNo

*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.

200°@2.9mm Fisheye M12 Lens

CIL208-F2.2-M12A650

200°@2.9mm Fisheye M12 Lens
$49.00
$0.00
View Details
226°@3.9mm Fisheye M12 Lens

CIL212-F2.2-M12A660

226°@3.9mm Fisheye M12 Lens
$49.00
$0.00
View Details
195°@4.7mm Fisheye M12 Lens

CIL216-F2.2-M12A650

195°@4.7mm Fisheye M12 Lens
$59.00
$0.00
View Details
186°@5.2mm IR Corrected Fisheye M12 Lens

CIL239-F2.0-M12A650

186°@5.2mm IR Corrected Fisheye M12 Lens
$59.00
$0.00
View Details
200°@6.3mm Fisheye M12 Lens

CIL219-F2.5-M12A650

200°@6.3mm Fisheye M12 Lens
$79.00
$0.00
View Details
215°@6.8mm M12 Fisheye Lens

CIL220-F2.3-M12B650

215°@6.8mm M12 Fisheye Lens
$39.00
$0.00
View Details
190°@6.8mm Fisheye M12 Lens

CIL282-F1.8-M12B660

190°@6.8mm Fisheye M12 Lens
$49.00
$0.00
View Details
185°@7.8mm Fisheye M12 Lens

CIL227-F2.5-M12B660

185°@7.8mm Fisheye M12 Lens
$39.00
$0.00
View Details

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