Hermann Desch: Difference between revisions

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=== E. Leitz Photographic Patents by Hermann Desch ===
=== E. Leitz Photographic Patents by Hermann Desch ===


*1961 APR 11 - WIDE-ANGLE LENS (9 / 7 - 8 / 6) with [[Heinz Marquardt]], [[Otto Zimmermann]] and [[Eugen Hermanni]] (see above Fig.3 is [[28mm f/2.8 Elmarit I]] and Fig.4 is [[21mm f/2.8 Elmarit-M]])
*1961 APR 11 - WIDE-ANGLE LENS (9 / 7 - 8 / 6) with [[Heinz Marquardt]], [[Otto Zimmermann]] and [[Eugen Hermanni]] (see above Fig.3 is [[28mm f/2.8 Elmarit I]] and Fig.4 is [[21mm f/2.8 Elmarit-M]] per Cavina)
*1970 APR 29 - ROTATIONALLY SYMMETRIC OPTICAL COMPONENT COMPOSED OF AT LEAST TWO LENSES (with [[Helmut Marx]])
*1970 APR 29 - ROTATIONALLY SYMMETRIC OPTICAL COMPONENT COMPOSED OF AT LEAST TWO LENSES (with [[Helmut Marx]])

Latest revision as of 15:42, 9 April 2012

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E. Leitz Photographic Patents by Hermann Desch