Max Berek: Difference between revisions
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*1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE | *1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE | ||
*1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE | |||
Revision as of 14:32, 1 March 2012
Max Berek Pioneers in Optics webpage
E. Leitz Photographic Patents by Max Berek
- 1932 JUL 20 - ULTRALIGHT INTENSIVE OBJECTIVE
- 1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE
