Max Berek
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Max Berek Pioneers in Optics webpage
E. Leitz Photographic Patents by Max Berek
- 1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE (6 / 4 see below upper left)
- 1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE (6 / 3 see above)
- 1937 JUL 21 - PHOTOGRAPHIC OBJECTIVE (6 / 4 see below upper right)
- 1937 JUL 29 - PHOTOGRAPHIC OBJECTIVE (6 / 4 see below lower left & Summitar f= 5 cm 1:2)
- 1937 AUG 05 - PHOTOGRAPHIC OBJECTIVE (7 / 5 see below lower right and Summarex f= 8.5 cm 1:1.5)
