Max Berek: Difference between revisions
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=== E. Leitz Photographic Patents by Max Berek === | === E. Leitz Photographic Patents by Max Berek === | ||
*1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE | *1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE (6 / 4) | ||
*1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE | *1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE (6 / 3) | ||
*1937 JUL 21 - PHOTOGRAPHIC OBJECTIVE (6 / 4) | *1937 JUL 21 - PHOTOGRAPHIC OBJECTIVE (6 / 4) | ||
Revision as of 16:44, 1 March 2012
Max Berek Pioneers in Optics webpage
E. Leitz Photographic Patents by Max Berek
- 1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE (6 / 4)
- 1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE (6 / 3)
- 1937 JUL 21 - PHOTOGRAPHIC OBJECTIVE (6 / 4)
