F = 5 cm 1:2 Summicron II

• 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 - Walter Mandler