Leica Camera Chronology Year Screwmount M Series R Series 1913 Leica UR Prototype 1923 Leica O Null Series 1925 Leica I Model A 1926 Leica I Model B Compur Dial Set 1929 Leica I Model B Compur Rim Set & Leica Luxus 1930 Leica I Model C Non-Standardized & Leica Luxus Standardized 1931 Leica I Model C Standardized 1932 Leica II Model D & Leica II Model E Standard 1933 Leica III Model F &  1934 Leica 250 FF Reporter 1935 Leica IIIa Model G 1936 Leica 250 GG Reporter 1938 Leica IIIb 1940 Leica IIIc & Leica IIId & Leica IIIb, 250-M, IIIc Military for Germany and Italy 1942 Leica IIIcK (Kugellager) 1947 Leica II New York Manufacture 1948 Leica IIc 1949 Leica Ic & Leica IIIc Military Italy 1950 Leica IIIf BD & Leica 72 Half Frame 1951 Leica IIf 1952 Leica If & Leica IIIf RD 1954 Leica IIIf RD Self Timer Leica M3 Type 1 1955 Leica M3 Type 2 1956 Leica IIIg & Leica IIIf Swedish Military Leica MP 1957 Leica Ig Leica M3 Type 3 & Leica M3 Military 1958 Leica M2 & Leica MD Post 1959 Leica M1 & Leica MP2 1960 Leica IIIg Swedish Military Arctic Leica M1 & M2 Military 1964 Leica MD Leicaflex 1966 Leica MDa 1967 Leica M4 & Leica MDa Post 35mm 1968 Leica M4M & MDa Post 27mm Leicaflex SL 1969 Leica M2R Leicaflex SL Mot 1970 Leica MDa Mot & leica M4 Military 1971 Leica M5 & Leica KE-7A Military 1973 Leica CL 1974 Leicaflex SL2 1975 Leicaflex SL2 Mot 1976 Leica M4-2 Leica R3 1978 Leica R3 Mot 1980 Leica M4-P & Leica MD-2 Leica R4 1983 Leica R4-S Leica R4-S Mod 2 1984 Leica M6 .72 1985 Leica R4S Mod P 1987 Leica R5 1988 Leica R6 1990 Leica RE 1992 Leica R6.2 Leica R7 1993 1994 1995 1996 Leica R8 1997 Leica M6 .85 1998 Leica M6 TTL