CAMERA   MODEL           YEARS          SERIAL # RANGE 
 
Automatic (Type 1)      1937-1939       568,516-805,000 
Automatic (Type 2)      1937-1939       568,516-805,000 
Automatic (Type 3)      1939-1945       805,000-999,999 
Automatic (Type 4)      1945-1949       999,999-1,099,999 
New      Standard       1939-1941       805,000-927,999  
X (Type 1)              1949-1950       1,100,000-1,116,999 
X (Type 2)              1950-1951       1,117,000-1,168,000 
MX (Type 1)             1951-1954       1,200,000-1,266,999 
MX (Type 2)             1951-1954       1,267,000-1,427,999 
MX-EVS (Type 1)         1954-1955       1,428,000-1,499,999 
MX-EVS (Type 2)         1955-1956       1,700,000-1,737,911 
3.5 E (Type 1)          1956-1959       1,740,000-1,787,999 
3.5 E (Type 2)          1956-1959       1,850,000-1,869,999 
T (Type 1)              1958-1966       2,100,000-2,199,999 
T (Type 2)              1966-1970       2,220,000-2,228,999 
T (Type 3)              1971-1976       2,242,000- 
3.5 E2 (Type 1)         1959-1960       1,870,000-1,872,299 
3.5 E2 (Type 2)         1961-1962       2,480,000-2,482,999 
3.5 F (Type 1）         1959-1960       2,200,000-2,229,999 
3.5 F (Type 2)          1960-1960       2,230,000-2,241,500 
3.5 F (Type 3)          1960-1969       2,250,000-2,815,050 
3.5 F (Type 4)          1969-1980       2,815,051- 
3.5 E3                  1962-1965       2,380,000-2,385.034 

CAMERA MODEL         YEARS          SERIAL # RANGE 
 
2.8 A (Type 1)      1950-1951      1,101,000-1,201,000 
2.8 A (Type 2)      1951-1951      1,201,000-1,203,999 
2.8 B (Type 1)      1952-1953      1,204,000-1,240,999 
2.8 B (Type 2)      1952-1953      1,241,000-1,260,000 
2.8 C (Type 1)      1953-1954      1,260,350-1,299,999  
2.8 C (Type 2)      1954-1955      1,444,000-1,475,405 
2.8 D               1955-1956      1,600,000-1,620,999 
2.8 E               1956-1959      1,621,000-1,665,999 
2.8 E2              1959-1960      2,350,000-2,356,999 
2.8 F (Type 1)      1960-1966      2,400,000-2,451,850 
2.8 F (Type 2)      1966-1981      2,451,851- 
2.8 E3              1962-1965      2,360,000-2,362,024 
2.8 F Aurum         1983-1983      Unknown 
2.8 F Platin        1986-          Unknown