Dufaycolor was a regular line screen process whereby the incident light was filtered through a pattern of tiny color patches created by lines in red, green and blue, the so called réseau.
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Reversal Colour Positive. Credit: Courtesy of BFI National Archive. Photograph by Barbara Flueckiger. Film: A Colour Box (GB 1935, Len Lye).
- Microscopic image of the filter structure of a Dufaycolor film. The Emulsion has been removed. The visible structures are not silver grain but the structure of the filter layers. Credit: David Pfluger, ERC Advanced Grant FilmColors. Imaging was performed with support of the Center for Microscopy and Image Analysis, University of Zurich.
- Microscopic images of Dufaycolor film with the focus set at different points within the emulsion and filter layers. The images have been chained to show a travelling through the 3-dimensional structure of the layers. Credit: David Pfluger, conversion to video by Martin Weiss, ERC Advanced Grant FilmColors. Imaging was performed with support of the Center for Microscopy and Image Analysis, University of Zurich.
