Gustav Kleinberg: Difference between revisions
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=== E. Leitz Photographic Patents by Gustav Kleinberg === | === E. Leitz Photographic Patents by Gustav Kleinberg === | ||
*1950 JUL 20 - PHOTOGRAPHIC OBJECTIVE LENS SYSTEM (8 / 6) with [[Otto Zimermann]] (see above | *1950 JUL 20 - PHOTOGRAPHIC OBJECTIVE LENS SYSTEM (8 / 6) with [[Otto Zimermann]] (see above right and [[Summicron (I) f= 5 cm 1:2]]) | ||
*1958 AUG 21 - PHOTOGRAPHIC OBJECTIVE (7 / 5) with [[Otto Zimmermann]] and [[Eugen Hermanni]] (see above | *1958 AUG 21 - PHOTOGRAPHIC OBJECTIVE (7 / 5) with [[Otto Zimmermann]] and [[Eugen Hermanni]] (see above left) | ||
Revision as of 22:56, 10 March 2012
" . . . Leica always had the obtainment of the best possible optical glasses for its M lenses as one aim of paramount importance, and the examples are manifold: the thorium oxide glass nD= 1,69112 vD= 54, 8 included in four of the lenses of the optical formula of the Leitz Summitar* Summicron (I) f= 5 cm 1:2 Original Project 1950 designed by Gustav Kleinberg and Otto Zimmermann (which also had a flint lead-glass plate to avoid film fogging by radiation) . . ." Source - José Manuel Serrano Esparza
E. Leitz Photographic Patents by Gustav Kleinberg
- 1950 JUL 20 - PHOTOGRAPHIC OBJECTIVE LENS SYSTEM (8 / 6) with Otto Zimermann (see above right and Summicron (I) f= 5 cm 1:2)
- 1958 AUG 21 - PHOTOGRAPHIC OBJECTIVE (7 / 5) with Otto Zimmermann and Eugen Hermanni (see above left)
