21mm f/2.8 ASPH Elmarit-M

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M-21f28-c.jpg

  • Leica Order No. - 11897-silver, 11135-black . LLC - 140
  • Production era - 1997-2010 7,250+ lenses
  • Variants - Silver and black versions
  • Lens mount - Leica M quick-change bayonet
  • Number of lenses/groups - 9 /7
  • Angle of view diagonal, horizontal, vertical - 92°, 81°, 59°
  • Entrance Pupil position - 19.4 mm (related to the first lens surface in light direction)
  • Focal length - 21.3 mm
  • Aperture range - f/2.8-f/16
  • Closest focusing distance - 0.7 m / 2.3 ft
  • Smallest object field - 696 mm x 1.044 mm
  • Maximum magnification - 1:29
  • Diaphragm setting / type - Manual with click-stops, (including half values) / 8-blade
  • Filter type - Internal thread for screw-in type filters, size E55
  • Accessories - Hood: 12592; Viewfinder: 12024 or 12025
  • Materials - Anodized aluminum and optical glass / chrome plated brass and optical glass
  • Dimensions Length x Diameter - 46 x 58 mm
  • Weight - 415 g / 300 g (chrome plated brass / black anodized aluminum)
  • Inscription - LEICA ELMARIT-M 1:2.8/21 ASPH. E55 (serial no.)
  • Leica Tech Data
21mm f/2.8 ASPH Elmarit-M.pdf - courtesy Summilux.net
Erwin Puts (2002) Leica M-Lenses.pdf - pgs. 21 - 25

Comment

Leica 21mm f/2.8 ASPH Elmarit-M Serial Numbers

Serial numbers compiled from known lenses and Puts Pocket Pod.pdf
^ Lens no. 3848529 is 28mm f/2.8 ASPH Elmarit-M
~ stolen lens, please report if found on sale
SN Start SN End Product Year Total
3780530 3781029 21mm f/2.8 ASPH Elmarit-M 1997 500
3786860 3787359 21mm f/2.8 ASPH Elmarit-M (black+silver) 1997 500
3796510 3797509 21mm f/2.8 ASPH Elmarit-M 1997 1000
3822625 3823624 21mm f/2.8 ASPH Elmarit-M (silver) 1998 1000
3846000 3846499 21mm f/2.8 ASPH Elmarit-M 1998 500
3848500 ^ 3849499 21mm f/2.8 ASPH Elmarit-M (black+silver) 1998 1000 ~3849445
3885207 3886206 21mm f/2.8 ASPH Elmarit-M (silver) 2000 1000
3924921 3925420 21mm f/2.8 ASPH Elmarit-M (black+silver) 2001 500
3946864 3947863 21mm f/2.8 ASPH Elmarit-M (black+silver) 2002 1000 ~3947004
3991119 3991368 21mm f/2.8 ASPH Elmarit-M 2005 250
-4005115 4038722- 21mm f/2.8 ASPH Elmarit-M (black) 2006-2009 33,608+
-4068052 4068193- 21mm f/2.8 ASPH Elmarit-M (black) 2010 unknown
TOTAL ASSIGNED SERIAL NUMBERS 1997-2005 7,250