Lens Features
>180° FoV
Suitable for up to 1" Type cameras with a large 9.1mm image circle.
Low F/#
All-glass all-metal design, with F/1.8 for incredible low light performance.
IP65
IP65 sealed for weather protection in exterior exposed cameras.
Lens Parameter | Performance Detail |
---|---|
Part Number | CIL231 |
Format Type | 1/1.8"-1" |
EFL | 3.1mm |
F# | 1.8 Fixed |
Resolution | 12MP-16MP |
Field of View | 190° @ 9.1mm image circle Calculate for your sensor using our M12 Lens Calculator |
Image Circle | 9.1mm |
Distortion | -11% F-Θ |
Weight | 12g |
IR Cut-Off Filter | P/N With: CIL231-F1.8-M12IR P/N Without: CIL231-F1.8-M12NIR |
Construction | All Glass, Aluminum |
Mechanical Drawing

Camera Mechanical Compatibility Table*
Commonlands Compatible Mount | Allied Vision Alvium S-Mount | FLIR Blackfly S Board | iDS uEye LE | The Imaging Source M12 | Basler Dart S-Mount |
---|---|---|---|---|---|
CLA018 | Yes | Yes | Yes | Yes | Yes |
*Mechanical compatibility only, assuming the standard M12x0.5 lens mount provided by the camera manufacturer. Please check optical compatibility separately.