Leica APO-Summicron-SL 50mm F2 ASPH
Technical data:
| Lens | APO-Summicron-SL 50 mm f/2 ASPH. |
| Angle of view
(diagonal, horizontal, vertical) |
47.2° / 40.0° / 27.3° |
| Optical design | |
| Number of elements/groups | 12/10 |
| Number of aspherical elements | 3 |
| Position of entrance pupil in front of the bayonet flange | 63.2 mm |
| Focusing | |
| Working range | 0.35 m to infinity |
| Smallest object field | 120 × 180 mm |
| Largest reproduction ratio | 1:5 |
| Aperture | |
| Settings/functions | Electronically controlled iris, setting with the camera setting dial, half- or one-third stop settings possible |
| Aperture setting range | 2 – 22 |
| Smallest aperture | 22 |
| Bayonet/sensor format | Leica L-bayonet, full-frame 35 mm format |
| Filter thread | E67 |
| Dimensions and weight | |
| Length to bayonet flange | 102 mm |
| Largest diameter | 73 mm |
| Weight | 740 g |
