| Lens | Leica Summaron-M 28 f/5.6 | 
| Order number | 11695 | 
| View angle (diagonal/horizontal/vertical) Full-frame (24 × 36 mm) | 75°/65°/46° | 
| Lens system | |
| Number of lenses/assemblies | 6/4 | 
| Position of the entrance pupil before the bayonet | 2.4 mm | 
| Focus range | 1 m to ∞ | 
| Focusing | |
| Scale | Combined scale meter (m)/foot (ft) | 
| Smallest object field | Full-frame: 801 x 1201 mm | 
| Largest scale | 1:33.4 | 
| Diaphragm | |
| Setting/Function | Click-stop diaphragm with half-increment lock settings | 
| Smallest aperture | 22 | 
| Number of diaphragm blades | 8 | 
| Bayonet | Leica M bayonet with 6-bit encoding | 
| Filter (type) | E34 | 
| Lens hood | click-on (rectangular) | 
| Dimensions | |
| Length | Approx. 18 mm | 
| Diameter | Approx. 51 mm | 
| Weight | Approx. 165 g | 
Technical Data Files
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