Technical Data Files
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 |