Type C print

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A type C print or simply C-print is a color photographic print made on negative-type color photographic paper which has at least three emulsion layers of light-sensitive silver salts. Type C is a negative-to-positive chromogenic print. The most common type C print process is RA-4. It is the most common type of color photographic print.

C-prints were originally called color coupler prints, referring to the dye couplers in the paper.

The exposure phase of a type C print may be accomplished with a traditional photographic enlarger, using color filters to adjust the color balance of the print. Type C prints can also be made using digital exposure systems such as the Durst Lambda, Océ LightJet and ZBE Chromira, yielding a digital C print (sometimes called a Lambda print or LightJet print). These digital systems expose the paper using red, green, and blue lasers or light emitting diodes, and have the capability of correcting paper sensitivity errors.