Rudolf Ruehl: Difference between revisions

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=== E. Leitz Photographic Patents by Heinz Marquardt ===
[[File:3467464.jpg]]


*1966 MAR 28 - PHOTO LENS WITH A SHORT FOCAL LENGTH AND LARGER BACK INTERCEPTOR FOCAL LENGTH (7 / 5)
=== E. Leitz Photographic Patents by Rudolf Ruehl ===
 
*1966 MAR 28 - PHOTO LENS WITH A SHORT FOCAL LENGTH AND LARGER BACK INTERCEPTOR FOCAL LENGTH (7 / 5 - see above left and [[35mm f/2.8 Elmarit-R I]])
*1972 MAR 22 - WIDE ANGLE LENS (8 / 8 - see above right and [[28mm f/2.8 Elmarit-R I]])

Latest revision as of 13:30, 29 April 2012

3467464.jpg

E. Leitz Photographic Patents by Rudolf Ruehl

  • 1966 MAR 28 - PHOTO LENS WITH A SHORT FOCAL LENGTH AND LARGER BACK INTERCEPTOR FOCAL LENGTH (7 / 5 - see above left and 35mm f/2.8 Elmarit-R I)
  • 1972 MAR 22 - WIDE ANGLE LENS (8 / 8 - see above right and 28mm f/2.8 Elmarit-R I)