Ludwig Leitz

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Son of Ernst Leitz II, he was know as Ludwig Leitz II (1907–1992) named after his father's elder brother Ludwig Leitz I ( who had passed away in 1898). Ludwig II was the designer (with Wilhelm Stein) of the rangefinder for the M3. Along with his brothers, Ernst III (1906-1979) and Günther (1914-1969), Ludwig was co-owner of Leitz from 1956 to 1974.

"Von der Konstruktionsseite für die Leica M3 sind zu nennen: Dr. Ludwig Leitz, LTG.gesammt, "Willi" Wilhelm Stein, Ltg. Konstruktion und Adolf Groß, Ltg. Formgestaltung sowie Prof. Scheuernstuhl als Bildhauer und sein Meisterschüler Heinrich Janke aus Hannover, der spätere Leiter dieser Abteilung. Später bestand das Team aus Hans-Kurt Uellenberg, H. Janke, Ernst Rühl und Bernd Nickel (von links, siehe Abb.!). Hier 3 Entwürfe für die Leica M3 aus den 50èr und 60èr Jahren. 1953, 1956, 1957 und 1961. Heute nennt man das Design oder CAD bei Leica. Eine leider früher und auch heute viel zu gering geachtete Species für neue Produkte und ihren Erfolg. Damals hats aber geklappt Grüße Hendrik"

Source - [1] #1 hös

E. Leitz Photographic Patents by Ludwig Leitz

  • 1935 AUG 03 - PHOTOGRAPHIC CAMERA (PARALLAX CORRECTING FINDER)
  • 1936 JAN 22 - EXPOSURE METER
  • 1936 JAN 29 - FOCUSING MEANS FOR CAMERA with Wilhelm Albert and Josef Horung
  • 1936 FEB 12 - DEVICE FOR LOADING FILM CASETTES
  • 1936 AUG 08 - CAMERA SHUTTER MECHANISM with Wilhelm Stein
  • 1936 SEP 02 - COMBINED RANGE FINDER AND VIEW FINDER
  • 1936 DEC 09 - ENLARGING APPARATUS with Christian Luz
  • 1937 MAR 17 - PHOTOGRAPHIC VIEW FINDER
  • 1938 JAN 22 - PHOTOGRAPHIC CAMERA with Wilhelm Albert
  • 1951 FEB 07 - APPARATUS FOR DETACHABLY ATTACHING CAMERA OBJECTIVES TO CAMERAS with August Brohl
  • 1951 APR 17 - CAMERA WINDING KEY with Hugo Wehrenfennig
  • 1951 JUL 25 - FILM CONTAINER FOR ROLL FILM CAMERA with Hugo Wehrenfennig
  • 1953 OCT 01 - PHOTOGRAPHIC CAMERA WITH EXCHANGEABLE OBJECTIVES AND ADJUSTABLE VIEW FINDER with Hugo Wehrenfennig
  • 1954 JUL 30 - CAMERA HAVING BUILT-IN TELEMETER see SOMKY
  • 1955 MAR 21 - APPARATUS FOR COUPLING AN EXCHANGEABLE OBJECTIVE WITH A RANGE FINDER OF A PHOTOGRAPHIC CAMERA with Kurt Gisiel
  • 1958 FEB 19 - PHOTOGRAPHIC EXPOSURE METER with Heinrich Broschke and Otto Sanger
  • 1956 JUN 19 - PHOTOGRAPHIC CAMERA WITH INTERCHANGEABLE OBJECTIVES with Hugo Wehrenfennig (Canadian Patent)
  • 1958 MAY 20 - RANGE FINDER
  • 1959 FEB 16 - FOCUSSING PLATE FOR OPTICAL INSTRUMENTS
  • 1960 SEP 30 - OBJECTIVE ADJUSTING MEANS with Heinrich Staubach and Kurt Jensen
  • 1960 OCT 20 - CAMERA WITH AN EXPOSURE METER
  • 1960 NOV 22 - RANGE FINDER (using an even number of concave mirrors and an odd number of plane mirrors)
  • 1961 DEC 26 - MONOCULAR REFLEX CAMERA with Paul Naumann (see above and Leicaflex Mark 1 and Mark 2}
  • 1964 JAN 21 - OBJECTIVE ADJUSTING MEANS with Heinrich Staubach and Kurt Jensen
  • 1965 FEB 23 - PHOTOGRAPHIC CAMERAS (re: film cartridge improvement)
  • 1965 APR 07 - CAMERA OF THE STILL AND MOTION PICTURE TYPE with Heinrich Broschke
  • 1967 NOV 29 - PHOTOELECTRIC PRECISION CAMERA RANGE
  • 1967 NOV 29 - RANGE FINDER DEVICE HAVING LONG BASE LINE FOR SINGLE LENS REFLEX CAMERAS
  • 1968 MAY 09 - FOCAL-PLANE SHUTTER FOR PHOTOGRAPHIC CAMERA with Willy Franke
  • 1972 NOV 15 - OPTICAL RANGE FINDING SYSTEM with Knut Heitmann and Eckhart Schneider
  • 1975 SEP 05 - STILL POCKET CAMERA with Walter Mandler
  • 1978 NOV 28 - OPTICAL CORRELATOR