Photographic print toning

（重定向自Selenium toning）

A sepia-toned photograph taken in England in 1895

A digitally sepia-toned image taken in 2007

A digitally sepia-toned image taken in 2011 of the Reina Sofia Museum in Madrid.

In photography, toning is a method of changing the color of black-and-white photographs. In analog photography, toning is a chemical process carried out on silver-based photographic prints. This darkroom process can not be done with a color photograph. There is debate as to whether a toned black-and-white photograph should be considered to still be black-and-white, as simply being monochromatic is not a sufficient condition for an image to count as black-and-white. The effects of these processes can be emulated with software in digital photography.

单词	Selenium toning
释义	Selenium toning 英语百科 Photographic print toning （重定向自Selenium toning） In photography, toning is a method of changing the color of black-and-white photographs. In analog photography, toning is a chemical process carried out on silver-based photographic prints. This darkroom process can not be done with a color photograph. There is debate as to whether a toned black-and-white photograph should be considered to still be black-and-white, as simply being monochromatic is not a sufficient condition for an image to count as black-and-white. The effects of these processes can be emulated with software in digital photography.
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