Color reversal film is more commonly known as slide film. Most reversal films are processed in E-6 chemistry. Currently, the only mass-produced balck-and-white reversal film is Agfa Scala, which uses a proprietary developement process.
Color negative film and display film: the enlargement of a color negative film onto a display film produces a color transparency (suitable for large-format advertising displays or colored overhead sheets).
Colorreversalfilm (slide film): the result is a color slide.
Colorreversalfilm and colorreversal paper: the result is a color print from a color slide (colorreversal paper, incidentally, is also suitable as copying material for B/W slides).
If these bleached films are then re-exposed to light and re-processed in their original colour chemistry, subtle, relatively low contrast, pastel effects are obtained.
Color cross processed photographs are often characterized by unnatural colors and high contrast.
The results of cross processing differ from case to case, as the results are determined by many factors such as the make and type of the film used, the amount of light exposed onto the film and the chemical used to develop the film.
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