50mm f/2.5 Summarit-M

• Leica Order No. - 11 644
• Angle of view (diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 47 deg, 40 deg, 27 deg, - for LEICA M8 (18 x 27 mm) : 36 deg, 30 deg, 20 deg, corresponds to a focal length of approx. 67 mm with 35 mm-format

• Number of lenses/groups - 6/4
• Position of entrance pupil - (from apex of 1st lens element) 28.0 mm
• Focusing range - 0.8 to ∞
• 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
• Aperture - Setting/Function Preset, with click-stops, half values available ; Lowest value 16
• Lens mount - 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
• Viewfinder - Camera viewfinder
• Material - Anodized aluminum, brass and optical glass
• Length to bayonet flange - approx. 33.0 mm
• Largest diameter - approx. 51.5 mm
• Weight - approx. 230 g