| Lens |
Leica Summicron-M 28 f/2 ASPH. |
| Order Number |
11618 |
| View angle (diagonal/horizontal/vertical) |
|
| Full-frame (24 x 36 mm) |
74°/65°/46° |
| Lens system |
|
| Number of lenses/assemblies |
9/6 |
| Number of aspherical surfaces |
1 |
| Position of the entrance pupil before the bayonet |
12.7 mm |
| Focus range |
Live View: 0.4 m to ∞, rangefinder: 0.7 m to ∞ |
| Focusing |
|
| Scale |
Combined scale meter (m)/foot (ft) |
| Smallest object field |
Full-frame: 272 x 408 mm |
| Largest scale |
1:11.3 |
| Aperture |
|
| Setting/Function |
Click-stop diaphragm with half-increment lock settings |
| Smallest aperture |
16 |
| Number of diaphragm blades |
10 |
| Bayonet |
Leica M bayonet with 6-bit encoding |
| Filter thread |
E46 |
| Lens hood |
Extendable |
| Dimensions |
|
| Length |
Approx. 55 mm |
| Diameter |
Approx. 58 mm |
| Weight |
Approx. 275 g |
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