Lens Features
IP69K-rated
Compatible with the most challenging water and dust conditions.
Small Form Factor
A short 17.7mm total track length and weight of 3.7g is ideal for robotics.
Stray Light Optimized
Achieve excellent HDR performance with a highly optimized design.
Optical and Mechanical Specification Table
| Lens Parameter | Performance Detail |
|---|---|
| Part Number | CIL329 |
| Format Type | 1/2.5" |
| EFL | 2.8mm |
| F# | 2.0 Fixed |
| Resolution | 3MP, 2.2μm |
| Field of View | 155° @ 6.5mm image circle
Calculate for your sensor using our M12 Lens Calculator |
| Image Circle | 6.8mm |
| Distortion | -13% F-Θ |
| Weight | 5g |
| IR Cut-Off Filter | P/N With: CIL329-F2.0-M12A650 P/N Without: CIL329-F2.0-M12ANIR |
| Construction | All-Glass with Aluminum Barrel |
Mechanical Variants
| Variant | Description |
|---|---|
| "M12A" | IP67, BBAR on Lens 1 Surface 1, AL6061 Cap+Barrel |
Mechanical Layout

Camera Mechanical Compatibility Table*
| Camera/Mount | Compatibility |
|---|---|
| CLA021 | |
| 9mm-12mm tall holder | |
| No | |
| No | |
| Yes | |
| 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.



