Lens Features
No Distortion
<1% Optical Distortion for Wide Angle
Large Format
Image Circle of 8.8mm for 1/1.7"+ Sensors
Optical and Mechanical Specification Table
| Lens Parameter | Performance Detail |
|---|---|
| Part Number | CIL042 |
| Format Type | 1/1.7"+ |
| EFL | 4.2mm |
| F# | 1.9 Fixed |
| Resolution | 5-6MP, 3μm |
| Field of View | 97° @ 9.3mm image circle
Calculate for your sensor using our M12 Lens Calculator |
| Image Circle | 8.8mm as designed, 9.8mm Max |
| Distortion | -0.7% TV (4:3) @9.3mm |
| Weight | 8.7g |
| IR Cut-Off Filter | P/N With: CIL042-F1.9-M12A650 P/N Without: CIL042-F1.9-M12ANIR |
| Construction | 4G4P |
Mechanical Variants
| Variant | Description |
|---|---|
| "M12A" | Not Ingress Protected, BBAR on Lens 1 Surface 1, AL6061 Barrel |
Mechanical Layout

Camera Mechanical Compatibility Table*
| Camera/Mount | Compatibility |
|---|---|
| 8mm-13mm tall M12 holder | |
| Yes | |
| Yes | |
| Yes | |
| Rev1.1: Yes, Rev1.2: Must use PN ending "C-NO" | |
| 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.



