Walter Mandler

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B13.JPG

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The "Mandler" Lenses

Screw-mount

M-mount

R-mount

E. Leitz Photographic Patents by Walter Mandler of Midland, Canada

  • 1951 AUG 30 - REFLECTING MIRROR AND LENS OBJECTIVE OF THE CASSEGRAIN TYPE (of Atzbach, Germany) see 500mm f/8 MR-Telyt-R
  • 1955 DEC 12 - TELESCOPIC OBJECTIVE SYSTEMS (3 / 3)
  • 1958 SEP 30 - PHOTOGRAPHIC OBJECTIVE (8 / 6)
  • 1959 JUL 13 - RANGEFINDER SIGHT WITH RANGEFINDER OF EXTERNAL BASIS TYPE with Tadeusz Malinowski
  • 1959 AUG 26 - HIGH APERTURE PHOTOGRAPHIC OBJECTIVE (7 / 5) with Erich Wagner see 35mm f/1.4 Summilux I
  • 1960 JUL 26 - HIGH APERTURE OBJECTIVE FOR PHOTOGRAPHY AND PROJECTION (5 / 4) with Erich Wagner
  • 1962 NOV 01 - PHOTOGRAPHIC OBJECTIVE HAVING FOUR LENS MEMBERS (7 / 4)
  • 1967 NOV 06 - ILLUMINATED RETICLE FOR OPTICAL VIEWING INSTRUMENTS
  • 1969 JUL 13 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with Garry Edwards and Erich Wagner (see above image and 28mm f/2.8 Elmarit II)
  • 1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with Garry Edwards and Erich Wagner (see 90mm f/2.8 Tele-Elmarit-M)
  • 1975 SEP 05 - STILL POCKET CAMERA with Ludwig Leitz
  • 1976 JUN 14 - METHOD AND DEVICES FOR TRANSFERRING ELECTRICAL SIGNAL INFORMATION BETWEEN A PHOTOGRAPHIC LENS AND A CAMERA with Herbert Machmeth and Walter Bletz
  • 1977 MAR 09 - OPTICAL SENSING SYSTEM FOR FOCUSING A REFLEX CAMERA
  • 1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with Erich Wagner and Garry Edwards (see 50mm f/2 Summicron-R II)

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