Erich Wagner
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E. Leitz Photographic Patents by Erich Wagner
- 1959 AUG 26 - HIGH APERTURE PHOTOGRAPHIC OBJECTIVE (7 / 5) with Walter Mandler
- 1960 JUL 26 - HIGH APERTURE OBJECTIVE FOR PHOTOGRAPHY AND PROJECTION (5 / 4) with Walter Mandler
- 1968 JUN 15 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with Walter Mandler and Garry Edwards
- 1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with Walter Mandler and Erich Wagner
- 1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with Walter Mandler and Garry Edwards
