| Focal Length | 12mm |
| Maximum Aperture | T2.9 |
| Minimum Aperture | T16 |
| Lens Mount | Leica L |
| Lens Format Coverage | Super35/APS-C |
| Focus Scales | Metric, Imperial |
| Optical Design | 12 Elements in 10 Groups |
| Filter Thread | 82 mm |
| Minimum Focus Distance | From Unspecified Point in Lens: 5.5" / 140 mm |
| Diaphragm Blades | 9 |
| Image Stabilization | No |
| Dimensions (W x H) | 3.5 x 2.8" / 89 x 70 mm |
| Weight | 21.2 oz / 602 g |
| Package Weight | 2.46 lb |
| Box Dimensions (LxWxH) | 7.55 x 5.6 x 4.7" |