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About the Leica Summarit-M 50mm f/2.5
|Angle of view (diagonal, horizontal, vertical)||For 35 mm (24 x 36 mm) : 47°, 40°, 27°, for LEICA M8 (18 x 27 mm) : 36°, 30°, 20°, corresponds to a focal length of approx. 67 mm with 35 mm-format|
|Number of lenses/groups:||6 / 4|
|Position of entrance pupil:||28.0 mm|
|Focusing range:||0.8 m to endless|
|Scales:||Combined meter/feet graduation|
|Smallest object field/Largest reproduction ratio:||For 35 mm, approx. 338 x 508 mm/1:14.1|
for LEICA M8, approx. 254 x 380 mm/1:14.1
|Setting/Function:||Preset, with click-stops, half values available|
|Bayonet||Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models|
|Filter mount/Lens hood||Non-rotating, internal thread for screw-on filters size E39, external thread with stop for lens hood, protection ring for external thread included in delivery, lens hood available as accessory|
|DIMENSION AND WEIGHT|
|Length:||approx. 33.0 mm|
|Largest diameter:||approx. 51.5 mm|
|Weight:||approx. 230 g|