Summicron-M 28 f/2 ASPH.
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Leica Summicron-M 28 f/2 ASPH. - Technical Data
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Leica Summicron-M 28 f/2 ASPH. - Technical Data
English
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| 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 |