Eugen Hermanni
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E. Leitz Photographic Patents by Eugen Hermanni
- 1958 AUG 21 - PHOTOGRAPHIC OBJECTIVE (7 / 5) with Otto Zimmermann and Gustav Kleinberg
- 1960 DEC 28 - FOUR MEMBER OBJECTIVE LENS (5 / 4 see above left)
- 1961 APR 11 - WIDE-ANGLE LENS (9 / 7 - 8 / 6) with Heinz Marquardt, Otto Zimmermann and Hermann Desch (see 28mm f/2.8 Elmarit I)
- 1961 DEC 04 - PHOTOGRAPHIC OBJECTIVE (6 / 5 see above right)
