View source for 21mm f/4 Super-Angulon-R

[[Image:R-21f4.jpg|250px]]

*'''Leica Order No.''' - 11 813 '''LLC''' -  139 
*'''Production era''' -  1978-1994 < 8,850 lenses
*'''Manufacturer''' - Schneider-Kreuznach
*'''Variants''' -  2-cam and 3-cam versions 
*'''Number of lenses /groups''' - 10 /8
*'''F stop range''' - f/4-f/22
*'''Closest focusing distance''' - 20 cm / 7.87 in
*'''Smallest object field''' - 221 x 148 mm
*'''Diaphragm setting /type''' - Automatic, 4-blade pre-set
*'''Angle of view''' diagonal - 92 degrees
*'''Filter type''' -  Series 8.5 - E72
*'''Accessories''' - Hood: [[12506]], Front cap: 14145 
*'''Materials''' -  
*'''Dimensions''' length x diameter  - 43.5 x 78 mm / 1.71 x  3.07 in
*'''Weight''' - 420 g /0.93 lb
*'''Inscription''' - SUPER-ANGULON-R 1:4/21 LEITZ WETZLAR 2XXXXXX
*'''Designer''' - Walter Woeltche 22 Oct 1996
== Comment ==

*'''On the street''' - $US 675 in 2010
*'''Forum discussion'''
**[http://www.l-camera-forum.com/leica-forum/customer-forum/15854-modifying-3-cam-rom.html] [http://www.l-camera-forum.com/leica-forum/customer-forum/15854-modifying-3-cam-rom-2.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/43512-series-8-5-filter.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/56461-leica-21mm-4-super-angulon-r.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/83794-leica-super-angulon-r-21mm-f.html] [http://www.l-camera-forum.com/leica-forum/customer-forum/83794-leica-super-angulon-r-21mm-f-2.html]
**[http://www.l-camera-forum.com/leica-forum/digital-forum/87071-classic-21mm-f4-super-angulon-r.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/104504-mc-mir-20m-20mm-f-3-a.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/103561-series-8-5-filters-same-vlll.html]
*'''Reviews'''
** [http://www.luciolepri.it/lc2/marcocavina/articoli_fotografici/articoli_fotografici/Leitz_21_4_Super-Angulon-R/00_pag.htm Marco Cavina]

==  21mm f/4 Super-Angulon-R Serial Numbers ==

{| class="prettytable"
!SN Start
!SN End
!Product
!Year
!Total
|-
|2485201||2487200||21mm f/4 Super-Angulon* ||1971||2000
|-
|2613101||2615100||21mm f/4 Super-Angulon* ||1973||2000
|-
|2917001||2917150||21mm f/4 Super-Angulon-R ||1978||150
|-
|2918401||2918900||21mm f/4 Super-Angulon-R ||1978||500
|-
|2982601||2983100||21mm f/4 Super-Angulon* ||1979||500
|-
|3084001||3084500||21mm f/4 Super-Angulon-R ||1980||500
|-
|3120001||3120500||21mm f/4 Super-Angulon-R ||1981||500
|-
|3140301||3141000||21mm f/4 Super-Angulon-R ||1981||700
|-
|3158501||3160500||21mm f/4 Super-Angulon-R ||1981||2000
|-
|3288401||3290400||21mm f/4 Super-Angulon-R ||1983||2000
|-
|TOTAL||ASSIGNED||SERIAL NUMBERS ||1973-1983||10,850
|-
Serial numbers compiled from [http://www.imx.nl/photo/downloads/files/leicapocket_pod1.pdf Puts Pocket Pod]<br>
.*Note: -R missing in list - Lens nos. 2485676, 2613184, 2982929 & 2983018 are -R<br>
^ Lenses 2917150, 2917100 are [[21mm f3.4 Super-Angulon]]