21mm f/2.8 ASPH Elmarit-M: Difference between revisions

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[[Image:M-21f28-c.jpg|300px|]]
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'''Leica Order No.''' - 11 897
*'''Leica Order No.''' - 11897-silver, 11135-black . '''LLC''' - 140


'''Era''' - 2004-Current
*'''Production era''' - 1997-2010 7,250+ lenses


'''Materials''' - Anodized aluminum / chrome steel,  brass, and optical glass
*'''Variants''' - Silver and black versions


'''Number of lenses/groups''' - 9/7
*'''Lens mount''' - Leica M quick-change bayonet


'''Angle of view''' diagonal, horizontal, vertical - 92°, 81°, 59°
*'''Number of lenses/groups''' - 9 /7


'''F stop range''' - 2.8 > 16
*'''Angle of view''' diagonal, horizontal, vertical - 92°, 81°, 59°


'''Closest focusing distance''' - 2.3' / 0.7m
*'''Entrance Pupil position''' - 19.4 mm (related to the first lens surface in light direction)


'''Smallest object field''' - 696 mm x 1.044 mm
*'''Focal length''' - 21.3 mm


'''Maximum magnification''' - 1:29
*'''Aperture range''' - f/2.8-f/16


'''Diaphragm setting / type''' - Manual with click-stops, (including half values)
*'''Closest focusing distance''' - 0.7 m / 2.3 ft


'''Bayonet''' - Leica M quick-change bayonet
*'''Smallest object field''' - 696 mm x 1.044 mm


'''Lens hood''' - Separate, clip-on type, lockable
*'''Maximum magnification''' - 1:29


'''Filter type''' - Internal thread for screw-in type filters, size E55
*'''Diaphragm setting / type''' - Manual with click-stops, (including half values) / 8-blade


'''Dimensions''' Length x Diameter - 46 x 58mm
*'''Filter type''' - Internal thread for screw-in type filters, size E55


'''Weight''' - 415 g / 300 g (silver chrome- / black anodized finish )
*'''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'''
:[http://www.summilux.net/m_system/images/Elmarit21Asph.pdf 21mm f/2.8 ASPH Elmarit-M.pdf] - courtesy Summilux.net
:[http://www.l-camera-forum.com/leica-wiki.en/images/3/3a/Puts-2002-M-lenses.pdf Erwin Puts (2002) Leica M-Lenses.pdf] - pgs. 21 - 25
 
== Comment ==
*'''On the street''' - $US 2,200 in 2010
*'''Reviews'''
**[http://www.kenrockwell.com/leica/21mm-f28-asph.htm Ken Rockwell]
*'''Forum discussion'''
**[http://www.l-camera-forum.com/leica-forum/customer-forum/2999-r19mm-first-version.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/24924-21mm-elmarit-m-asph-poor-wide.html] [http://www.l-camera-forum.com/leica-forum/customer-forum/24924-21mm-elmarit-m-asph-poor-wide-2.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/32200-21mm-vs-24mm-elmarit-asph.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/38350-do-you-think-new-compact-21mm.html] [http://www.l-camera-forum.com/leica-forum/customer-forum/38350-do-you-think-new-compact-21mm-2.html] [http://www.l-camera-forum.com/leica-forum/customer-forum/38350-do-you-think-new-compact-21mm-3.html]
**[http://www.l-camera-forum.com/leica-forum/leica-collectors-historica/50603-any-suggestion-21mm.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/72049-m-wide-angle.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/91508-21mm-elmarit-asph-used-advice-please.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/114117-elmarit-m-2-8-21-asph.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/171243-21mm-f-2-8-asph-elmarit.html]
 
== Leica 21mm f/2.8 ASPH Elmarit-M Serial Numbers ==
 
{| class="prettytable"
!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
|-
Serial numbers compiled from known lenses and [http://www.l-camera-forum.com/leica-wiki.en/images/3/3e/Leica-puts-pocket-book.pdf Puts Pocket Pod.pdf]<br>
^ Lens no. 3848529 is [[28mm f/2.8 ASPH Elmarit-M]]<br>[[~ stolen lens, please report if found on sale]]

Latest revision as of 15:26, 26 August 2015

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
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