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)
  • 1932 AUG 17 - LIGHT INTENSIVE OBJECTIVE (6 / 3 see above)
  • 1937 JUL 21 - PHOTOGRAPHIC OBJECTIVE (6 / 4)
  • 1937 JUL 29 - PHOTOGRAPHIC OBJECTIVE (6 / 4)
  • 1937 AUG 05 - PHOTOGRAPHIC OBJECTIVE (7 / 5)
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