Process for producing colorized images from black-and-white photographies
1890s photochrom print of Neuschwanstein Castle, Bavaria, Germany
Photochrom, Fotochrom, Photochrome[Note 1][2] or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative via the direct photographic transfer of the negative onto lithographic printing plates. The process is a photographic variant of chromolithography (color lithography). Because no color information was preserved in the photographic process, the photographer would make detailed notes on the colors within the scene and use the notes to hand paint the negative before transferring the image through colored gels onto the printing plates.
^"Photochrom". Lexico UK English Dictionary. Oxford University Press. Archived from the original on 2020-03-22.
^"Photochrome (1939–Present)". University of Vermont. Archived from the original on 2008-07-24.
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Photochrom, Fotochrom, Photochrome or the Aäc process is a process for producing colorized images from a single black-and-white photographic negative via...
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