View source for ELCAN f/2 50mm

[[File:Elca50.jpg|460px]] 
*'''Name''' - ELCAN (276)
*'''Leica Order No.''' - Type (276) sold w/ KE-7A (see [[M4]])
*'''Type''' - This lens came w/ the Leica KE-7A which was supplied to US Military by contract. Only 460 sets were produced for this purpose while another 55 were sold to the public. The lens has only air spaced elements and is thus suitable for extreme use. It has non-cemented glass, less problem in a high temperature range and nearby explosions.
*'''Variants''' - A collapsible version was developed in Germany, but never marketed (see Forum discussion #2 below)
*'''Lens mount''' - M-bayonet w/ removable lens-head
*'''Number of lenses /groups''' - 4 /4
*'''F stop range''' - f /2 - f /16
*'''Diaphragm setting /type''' - 10-blade
*'''Closest focusing distance''' - 30 in /76.2 cm
*'''Smallest object field''' -
*'''Angle of view diagonal''' -
*'''Accessories''' -
*'''Materials''' - Anodized aluminum, lanthanum infrared-absorbing glass and high refractive optical glass as used for heat control in Leitz projectors.
*'''Dimensions (length x diameter)''' -
*'''Weight''' -
*'''Inscription''' - ELCAN f/2 50 MM 276-0XXX
*'''Designers''' - [[Garry Edwards]], [[Walter Mandler]] and [[Erich Wagner]] - 08/1969
== Comment ==
*'''On the street''' - $US 2,200-5,600 in 2013 courtesy of [http://collectiblend.com/Lenses/Leitz/50mm-f2-Elcan-%28KE-7A%29.html Collectiblend]
*'''Forum discussion'''
**[http://www.l-camera-forum.com/leica-forum/leica-collectors-historica/299913-late-build-dual-range-50mm-question.html] [http://www.l-camera-forum.com/leica-forum/leica-collectors-historica/299913-late-build-dual-range-50mm-question-2.html] [http://www.l-camera-forum.com/leica-forum/leica-collectors-historica/299913-late-build-dual-range-50mm-question-3.html]

== ELCAN f/2 50mm Serial Numbers ==

{| class="prettytable"
!SN Start
!SN End
!Product
!Year
!Total
|-
|276-0001||276-0509-||ELCAN f/2 50mm (276-black)||1972||550
|-
| -1954751||unknown-||ELCAN f/2 50mm (M3-black)||1974||unknown
|-
|TOTAL||ASSIGNED||SERIAL NUMBERS ||1972-1974||550
|-
Serial numbers compiled from known ELCAN 50/2 lenses.<br>
|}