Zeiss Ikon serial numbers
From 1909 ICA used a serial number system for all its camera production (not extra for single models!), which was adopted by Zeiss Ikon after the merger in 1926. It is based on a letter followed by a 5 digit number. Whenever 99,999 was reached they switched to the next letter and started counting from 00,001. Not all letters from the alphabet have been used. In 1936 they reached the "Z" and started over again with "A". After 1944 the system was given up and serial numbers follow different schemes. In some cases there are extra letters, as seen with many Contax. This means, that the camera was sent back to the factory for repair or modification.
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| Zeiss Ikon serial number in a Tenax I as often found inside of the camera beneath the image window. image by Christoph Batz (Image rights) |
| ICA[1] | Zeiss Ikon[2] | ||||
|---|---|---|---|---|---|
| Letter | Year(s) | Letter | Year(s) | Letter | Year(s) |
| A | 1909/11 | L | 1926 | B | 1936 |
| B | 1912 | M | 1927 | C | 1936/37 |
| C | 1913 | N | 1927/28 | D | 1937 |
| D | 1914/18 | O | 1928 | E | 1937 |
| F | 1919/20 | P | 1929/30 | F | 1937/38 |
| G | 1921/22 | R | 1930 | G | 1938 |
| J | 1922/24 | S | 1931 | H | 1938 |
| K | 1925 | T | 1931/32 | J | 1938/39 |
| U | 1932/33 | K | 1939 | ||
| V | 1933/34 | L | 1939 | ||
| X | 1934 | M | 1940/42 | ||
| Y | 1934/35 | N | 1941/43 | ||
| Z | 1935/36 | O | 1943 | ||
| A | 1936 | Q | 1943/44 | ||
