| Focal Length | 25mm |
| Lens Mount | Leica L |
| Format | Super35/APS-C |
| Maximum Aperture | T1.05 |
| Minimum Aperture | T16 |
| Diagonal Angle of View | APS-C (1.5x): 58.6° |
| Minimum Focus Distance | From Unspecified Point in Lens: 9.06" / 0.23 m |
| Optical Design | 11 Elements in 9 Groups |
| Diaphragm Blades | 13 |
| Gear MOD & Pitch | Focus: 0.8 MOD / 32 Pitch Iris: 0.8 MOD / 32 Pitch |
| Front Diameter | 90 mm |
| Filter Thread | 82 mm |
| Focus Scales | Metric, Imperial |
| Focus Rotation | 270° |
| Image Stabilization | No |
| Dimensions (W x H) | 3.5 x 4.2" / 90 x 106 mm |
| Weight | 33.7 oz / 956 g |