Walter Mandler
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E. Leitz Photographic Patents by Walter Mandler
- 1975 SEP 05 - STILL POCKET CAMERA with Ludwig Leitz
- 1977 MAR 09 - OPTICAL SENSING SYSTEM FOR FOCUSING A REFLEX CAMERA
- 1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with Erich Wagner and Garry Edwards