3mm Mini Fisheye M12 Lens
3mm S Mount Fisheye Lens Raspberry Pi
Miniature Fisheye Lens
3mm Mini Fisheye M12 Lens
3mm S Mount Fisheye Lens Raspberry Pi
Miniature Fisheye Lens

190° M12 Miniature Fisheye Lens for up to 1" such as IMX485 and IMX264

190°@9.1mm Fisheye M12 Lens

The CIL231 is a 3.1mm miniature fisheye lens which provides a 190° Field of View at 9.1mm Image Circle and 180° diagonal on 1/1.8" type sensors. The aperture of F/1.9 results in amazing low light performance with stunning 4K+ performance. The CIL231 is IP67 sealed.
$99.00
Selected Part Number is: CIL231-F1.9-M12A650
Request Volume Pricing

There are 39 units CIL231-F1.9-M12A650 (F/1.9 / M12A / With 650nm IRC Filter) in stock in the US.

There are 29 units CIL231-F1.9-M12ANIR (F/1.9 / M12A / Without Filter) in stock in the US.

Lens Features

>180° FoV

Suitable for up to 1" Type cameras with a large 9.0mm image circle.

Low F/#

All-glass all-metal design, with F/1.9 for incredible low light performance.

IP67

IP67 rated for dust and water resistance.

Optical and Mechanical Specification Table
Lens Parameter Performance Detail
Part NumberCIL231
Format Type1/1.8"
EFL3.1mm
F#1.9 Fixed
Resolution16-20MP
Field of View118° @ 6.2mm image circle
Calculate for your sensor using our M12 Lens Calculator
Image Circle9.1mm
Distortion <10% F-Θ
See mechanical drawing for Optical, FΘ, and full TV distortion.
Weight12g
IR Cut-Off FilterP/N With: CIL231-F1.9-M12IR
P/N Without: CIL231-F1.9-M12NIR
ConstructionAll Glass, Aluminum
Mechanical Variants
Variant Description
"M12A" IP67, BBAR on Lens 1 Surface 1, Metal Cap+Barrel

Mechanical Drawing

A 3mm Miniature M12 Fisheye Lens for IMX485 and IMX264
Camera Mechanical Compatibility Table*
Camera/Mount Compatibility
Commonlands Compatible Mount CLA019-LCP
e-con Systems / Standard S-Mount 8mm - 13mm tall mount
Allied Vision Alvium S-Mount Yes
FLIR Blackfly S Board Yes
iDS uEye LE Rev1.1: Yes, Rev1.2: Must use PN ending "C-NO"
The Imaging Source M12 Yes
Basler Dart S-Mount Yes

*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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