35mm f/2.5 Summarit-M

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M-35f25-c.jpg

  • Leica Order No. - 11643
  • Production era 2007-2014 - superseded by 35mm f/2.4 Summarit-M ASPH.
  • Lens mount - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
  • Number of lenses /groups - 6 /4
  • Focusing range - 0.8 m / 2.62 ft < ∞
  • Aperture - 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. 490 x 735 mm /1:20.4 = for LEICA M8, approx. 367 x 551 mm /1:20.4
  • Angle of view (diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 63 deg, 54 deg, 38 deg, - for LEICA M8 (18 x 27 mm) : 50 deg, 42 deg, 29 deg, corresponds to a focal length of approx. 47 mm with 35 mm-format
  • Position of entrance pupil - (related to the first lens surface in light direction) 9.3 mm
  • Scales - Combined meter /feet graduation
  • 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
  • Materials - Anodized aluminum, brass and optical glass
  • Focal length -
  • Length to bayonet flange - approx. 33.9 mm
  • Largest diameter - approx. 51.4 mm / 2.02 in
  • Weight - approx. 220 g / 7.76 oz
  • Inscription - LEICA SUMMARIT-M 1:2.5/35 E 39 (serial no.)

Comment

35mm f/2.5 Summarit-M Serial Numbers

Serial numbers compiled from known lenses
SN Start SN End Product Year Total
-4049183 4063533- 35mm f/2.5 Summarit-M 2007-08 14,351+
-4102070 4125785- 35mm f/2.5 Summarit-M 2009-12 23,716+
-4151005 4168648- 35mm f/2.5 Summarit-M 2013 17,644+
-unknown 4233953- 35mm f/2.5 Summarit-M 2014 unknown+
TOTAL ASSIGNED SERIAL NUMBERS 2007-2014 unknown