Lens Features
Miniature Size
The 20mm TTL is great for doorbell cameras and aerial robotics cameras.
226° FoV
Create a compact camera with an amazingly large fisheye field of view.
Optical and Mechanical Specification Table
| Lens Parameter | Performance Detail |
|---|---|
| Part Number | CIL212 |
| Format Type | 1/2.5" |
| EFL | 1.1mm |
| F# | 2.2 Fixed |
| Resolution | 8MP, 1.55µm |
| Field of View | 226° @ 3.9mm
Calculate for your sensor using our M12 Lens Calculator |
| Image Circle | 3.9mm |
| Distortion | -10% F-Θ See mechanical drawing for Optical, FΘ, and full TV distortion. |
| Weight | 6.0g |
| IR Cut-Off Filter | P/N With: CIL212-F2.2-M12A660 P/N Without: CIL212-F2.2-M12ANIR |
| Construction | Hybrid Glass/Plastic with Al6061 barrel |
Mechanical Variants
| Variant | Description |
|---|---|
| "M12A" | No Ingress Protection, BBAR on Lens 1 Surface 1, AL6061 Cap+Barrel |
Mechanical Layout
Camera Mechanical Compatibility Table*
| Camera/Mount | Compatibility |
|---|---|
| CLA018 | |
| 7mm-9mm tall holder | |
| Yes | |
| No | |
| Rev1.1: No, Rev1.2: No | |
| Rev1.1: No, Rev1.2: PN must end in "C-No" | |
| Basler Dart S-Mount | Please submit Inquiry to Basler |
*Mechanical compatibility only, assuming the standard M12x0.5 lens mount provided by the camera manufacturer. Please check optical compatibility separately.
Here are a Few Similar Fisheye Lenses. Calculate the FoV (With Distortion!) using Our Lens Calculator.



