View source for F = 5 cm 1:2 Summicron II

[[Image:M-50f2-ii.jpg|300px]] [[Image:M-5f2dr.jpg|150px]]

*'''Leica Order Nos.''' - Screw-thread: SOSTA, 11518 (m), 11018 (ft) M-bayonet: SOMNI - 11817 - 11818 '''LLC''' - 120 
*'''Production era''' - 1956-1968  '''Serial Nos.''' - 1400000-2269999
*'''Variants''' -  Black or chrome, rigid and dual range bayonet (DR) versions
*'''Lens mount''' - Leica screw-thread and M-bayonet
*'''Number of lenses /groups''' - 6 /5
*'''F stop range''' - f/2-f/16
*'''Closest focusing distance''' - 1.02 m / 3.33 ft (0.7 m [[M3]])
*'''Smallest object field''' - 277 x 416 mm (410 x 620 mm [[M3]])
*'''Diaphragm setting /type''' -
*'''Angle of view''' diagonal - 45 degrees
*'''Filter type''' -  E39
*'''Accessories''' - Hood: [[ITDOO]] 12585 Close-focus attachment for DR lens: SDPOO
*'''Materials''' -  Black anodized aluminum or chrome plated brass
*'''Dimensions''' (length x diameter) - 
*'''Weight''' -  240 g (black); 335 g (chrome)
*'''Inscription''' - LEITZ WETZLAR 1XXXXXX SUMMICRON 1:2/50 
*'''Designer''' - [http://en.wikipedia.org/wiki/Walter_Mandler Walter Mandler]