50mm f/1.4 ASPH Summilux-M

• Leica Order No. - 11 891-black - 11 892-silver

• Production era - 2006-Current
• Serial nos. -3979722-4000044-4010476-black -4069765-408XXXX-
• Variants - Black and Silver versions

• Lens mount - Leica M quick-change bayonet

• Number of lenses/groups - 8 /5

• Focusing range - 0.7 m / 2.3 ft < ∞

• Aperture - f/1.4-f/16 - Setting/Function Preset, with click-stops, half values available, manual diaphragm

• Smallest object field/Largest reproduction ratio - 271 x 407 mm / 1:11.3

• Angle of view (diagonal, horizontal, vertical) - 47°, 40°, 27°

• Position of entrance pupil - 12.7 mm (related to the first lens surface in light direction)

• Scales - Combined meter/feet graduation

• Filter mount/Lens hood - Internal thread for screw-on filters size E46, non-rotating / Built-in, telescopic, lockable

• Accessories -

• Viewfinder - Camera viewfinder

• Materials -

• Focal length - 51.6 mm / 2 in

• Length to bayonet flange - 52.5 mm / 2.1 in

• Largest diameter - 53.5 mm / 2.1 in

• Weight - Chrome plated brass approx. 460 grams - Black anodized aluminum 335 grams
• Inscription - LEICA SUMMILUX-M ASPH. 1:1.4/50 E46 4XXXXXX

• Designer - Peter Karbe 22 Feb 2004

Comment

• On the street - $US 3,595 in 2008 - 3,500 in 2010
• Forum discussion
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• Reviews
  • Marco Cavina 1
  • Marco Cavina 2
  • Erwin Puts pg. 57
  • Steve Huff