50mm f/2.5 Summarit-M

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M-50f25-c.jpg

  • Leica Order No. - 11644
  • Production era - 2007-2014 - superseded by 50mm f/2.4 Summarit-M
  • 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
  • Focusing range - 0.8 / 2.6 ft to ∞
  • Aperture / type - f /2.5 - f /16 - Setting/Function Preset, with click-stops, half values available / 9-blade
  • 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
  • Position of entrance pupil - (from apex of 1st lens element) 28.0 mm / 1.1 in
  • Scales - Combined meter/feet graduation
  • 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
  • Accessories - Hood: 12459
  • Viewfinder - Camera viewfinder
  • Material - Anodized aluminum, brass and optical glass
  • Length to bayonet flange - approx. 33.0 mm / 1.3 in
  • Largest diameter - approx. 51.5 mm / 2 in
  • Weight - approx. 230 g / 8.1 oz
  • Inscription - LEICA SUMMARIT-M 1:2.5/50 E 39 (serial no.)
  • Leica Tech Data - 50mm f/2.5 Summarit-M.pdf

Comment

Leica 50mm f/2.5 Summarit-M Serial Numbers

Serial numbers compiled from known lenses
~ stolen lens, please report if found on sale
SN Start SN End Product Year Total
-4038014 4052371- 50mm f/2.5 Summarit-M 2007 14,358+
-4052451 4057435- 50mm f/2.5 Summarit-M 2008 4,985+ ~4057067
-4108725 4113154- 50mm f/2.5 Summarit-M 2009 4,430+
-4140311 4147516~ 50mm f/2.5 Summarit-M 2010-2011 7,206+
~4157707 4157886- 50mm f/2.5 Summarit-M 2012 180+
-unknown 4157779~ 50mm f/2.5 Summarit-M 2013 unknown
-4185735 4186031- 50mm f/2.5 Summarit-M 2014 297+
TOTAL ASSIGNED SERIAL NUMBERS 2008-2014 unknown