22 mm, 1/1.7", 12 MP, M12-mount Low-Distortion M12 Lens. A 22 mm F2.8 fixed-iris M12 lens for 1/1.7" 12-megapixel sensors with -1.15% distortion, listed for ultra-low-distortion face and iris recognition. At a glance: focal length 22mm; format 1/1.7"; resolution 12 Megapixel; aperture F2.8 Fixed iris; mount M12.
| Model | LS-SIR2228-12MF |
|---|---|
| Resolution | 12 Megapixel |
| Format | 1/1.7" |
| Pixel size | 1.85μm |
| Focal length | 22mm |
| Image circle | dia. 9.2 |
| Aperture | F2.8 Fixed iris |
| Angle of view (1/1.7", DxHxV) | 21.4 x 19.3 x 17.3 deg |
| Relative illumination | 80% |
| Distortion | 1.15% |
| Back focal length | 6.872mm |
| CRA | <7.97° |
| Size | dia. 16 x 22.6mm |
| Mount | M12 |
| Weight | 8g |
| Field of view (dia. 9.2 1/1.7" FOV) | 213 x 174 x 130 @500mm W.D; 342 x 279 x 208 @800m W.D |
| Shipping weight (estimated) | 0.11 kg |