Hermann Desch

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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 and 28mm f/2.8 Elmarit I)
1970 APR 29 - ROTATIONALLY SYMMETRIC OPTICAL COMPONENT COMPOSED OF AT LEAST TWO LENSES (with Helmut Marx)

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