Garry Edwards: Difference between revisions
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*1969 JUL 13 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with [[Walter Mandler]] and [[Erich Wagner]] see [[28mm f/2.8 Elmarit II]] | *1969 JUL 13 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with [[Walter Mandler]] and [[Erich Wagner]] see [[28mm f/2.8 Elmarit II]] | ||
*1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with [[Walter Mandler]] and [[Erich Wagner]] (see above and [[90mm f/2.8 Elmarit-M]]) | *1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with [[Walter Mandler]] and [[Erich Wagner]] (see above and [[90mm f/2.8 Tele-Elmarit-M]]) | ||
*1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with [[Walter Mandler]] and [[Erich Wagner]] (see [[50mm f/2 Summicron-M]]) | *1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with [[Walter Mandler]] and [[Erich Wagner]] (see [[50mm f/2 Summicron-M]]) | ||
Revision as of 22:06, 7 April 2012
E. Leitz Photographic Patents by Garry Edwards of Midland, Canada
- 1969 JUL 13 - OBJECTIVE HAVING LONG BACK FOCAL DISTANCE WITH REGARD TO ITS FOCAL LENGTH (4 / 3 - 8 / 6) with Walter Mandler and Erich Wagner see 28mm f/2.8 Elmarit II
- 1970 JUL 30 - FOUR COMPONENT OBJECTIVE (4 / 4) with Walter Mandler and Erich Wagner (see above and 90mm f/2.8 Tele-Elmarit-M)
- 1977 MAY 16 - FOUR MEMBER GAUSS OBJECTIVE (6 / 4) with Walter Mandler and Erich Wagner (see 50mm f/2 Summicron-M)
