Walter Mandler: Difference between revisions

Revision as of 19:41, 4 March 2012

1951 AUG 30 - REFLECTING MIRROR AND LENS OBJECTIVE OF THE CASSEGRAIN TYPE (of Atzbach, Germany)
1955 DEC 12 - TELESCOPIC OBJECTIVE SYSTEMS (3 / 3)
1958 SEP 30 - PHOTOGRAPHIC OBJECTIVE (8 / 6)

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 28mm f/2.8 Elmarit II
1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with Garry Edwards and Erich Wagner
1975 SEP 05 - STILL POCKET CAMERA with Ludwig Leitz
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

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 === 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)
+*1955 DEC 12 - TELESCOPIC OBJECTIVE SYSTEMS (3 / 3)
 *1958 SEP 30 - PHOTOGRAPHIC OBJECTIVE (8 / 6)
+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]]