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Part of the serial number sequence of lenses made by C.P. Goerz, Berlin (Germany) and year of introduction of certain lenses [1].
Year |
Serial # |
Lens launched
|
1888 |
|
Paraplanat
|
1890 |
|
Lynkeloskop
|
1891 |
~5,000 |
|
1892 |
|
Doppel Anastigmat
|
1896 |
~30,000 |
|
1900 |
~100,000 |
Hypergon
|
1903 |
|
Alethar
|
1904 |
|
Dagor, Atar, Pantar, Celor, Syntor
|
1907 |
|
Pantoplan
|
1908 |
~200,000 |
|
1915 |
~300,000 |
|
1916 |
|
Dogmar
|
1920 |
~400,000 |
|
1922 |
~500,000 |
|
1923 |
~600,000 |
|
1926 |
~750,000 |
|
References
- ↑ Patrice-Hervé Pont, Les Chiffres Cles, 3rd edition