21mm f/1.4 ASPH Summilux-M

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M-21f14-c.jpg

  • Leica Order No. - 11647
  • Production era - 2008-Current
  • Lens mount - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
  • Number of lenses/groups - 10 /8
  • Aperture - f/1.4-f/16
  • Focusing range - 0.7 m / 2.3 ft < ∞
  • Smallest object field - 685 mm x 1027 mm
  • Reproduction ratio - 1:29
  • Diaphragm setting / type - Manual with click-stops including half values
  • Angle of view diagonal, horizontal, vertical - 92° / 81° / 59°
  • Position of entrance pupil - 24.4 mm (related to the first lens surface in light direction)
  • Scales - Combined meter/feet graduation
  • Filter mount/Lens hood - Series filter VIII in lens hood
  • Accessories - Hood: 12461 - Front cap: 14482
  • Viewfinder - 12024 or 12025
  • Materials - Anodized aluminum and optical glass
  • Focal length - 21.6 mm
  • Length to bayonet flange - length - 66 > 77 mm / 2.60 > 3.03 in (without > with lens hood)
  • Largest diameter - approx. 69.5 mm / 2.74 in
  • Weight - approx. 580 g / 20.46 oz
  • Inscription - SUMMILUX-M 1:1.4/21 ASPH.

Comment

Leica 21mm f/1.4 ASPH. Summilux-M Serial Numbers

Serial numbers compiled from known lenses
~ stolen lens, please report if found on sale
SN Start SN End Product Year Total
-4083319 unknown- Summilux-M f= 21mm 1:1.4 2008-2010 unknown
~ 4188538 ~ 4257612 Summilux-M f= 21mm 1:1.4 2011-2013 69,075+
TOTAL ASSIGNED SERIAL NUMBERS 2008-Current unknown