Process camera

A process camera is a specialised form of camera used for mass reproduction of graphic materials. The original document was photographed and the negatives (or positive films)produced were used to produce printing plates or other graphic media - usually via some kind of process where the negative was put in intimate contact with a printing plate in a vacuum frame(the printing plate having a U.V light-sensitive coating) and exposed to U.V. light. See offset lithography, silk screen printing, Photozincography and Heliozincography for more information on this process.

单词	Process camera
释义	Process camera 英语百科 Process camera A process camera is a specialised form of camera used for mass reproduction of graphic materials. The original document was photographed and the negatives (or positive films)produced were used to produce printing plates or other graphic media - usually via some kind of process where the negative was put in intimate contact with a printing plate in a vacuum frame(the printing plate having a U.V light-sensitive coating) and exposed to U.V. light. See offset lithography, silk screen printing, Photozincography and Heliozincography for more information on this process.
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