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50mm f/2 Summicron-R II
- Production era 1976-2009, 99,736+ lenses
- Number of lenses/groups - 6 / 4
- Focusing range - 0.5 m / 19.7 in < ∞
- Aperture range - f/2-f/16 - Preset diaphragm with clickstops (including half values), 6-blade fully automatic diaphragm
- Smallest object field/Largest reproduction ratio - 180 mm x 270 mm / 1:7.5
- Filter mount/Lens hood - Internal thread for screw-in type filters E 55 / Built-in, telescopic
- Weight - 290 g / 10.2 oz
- Designers - Walter Mandler, Garry Edwards and Erich Wagner - June 1976
- D40, Leica R 50/2
- D90, Leica R 50/2
- Leica R 50/2, Agfa Vista 400
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