| Angle of view (diagonal, horizontal, vertical) | 74°, 65°, 46° |
| Optical design | |
| Number of lenses/groups | 9 / 6 |
| Focal length | 28mm |
| Position of entrance pupil | 23.3mm |
| Focusing range | 0.7m to infinity |
| Distance setting | |
| Scales | Combined meter/feet graduation |
| Smallest object field | 528 x 789 mm |
| Largest reproduction ratio | 1:21 |
| Aperture | |
| Setting/Function | With click-stops, half values available, manual diaphragm |
| Lowest value | 16 |
| Bayonet | Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models |
| Filter mount | Internal thread for screw-on filters size E46 |
| Lens hood | Built-in, telescopic |
| Dimension and weight: | |
| Length | 41.4 |
| Largest diameter | approx. 53 mm |
| Weight | approx. 257 g |
