Skiopticon image from the Department of Photography at the Royal Institute of Technology. Use by Professor Helmer Bäckström as lecture material. Bäckström was Sweden's first professor in photography at the Royal Institute of Technology in Stockholm image: spectrophotometric curves in a series of concentration of a typical magenta dye. Lower image: Sensitometric curves of an image composed of the dyes in the figure above (the topile). A = green densities # B = blue densities.

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Size: 1887px × 2649px
Photo credit: © BTEU/TEKNISKA / Alamy / Afripics
License: Licensed
Model Released: No

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