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Term: Continuous tone

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Term: Continuous tone

Generally referring to pictorial images where there is a non-broken range of tones from white to black that may have every shade of gray represented. There are theoretically an infinite number of tones. Traditional photography (photochemical photography) produces continuous tone images. When reformatting pictorial items, it is important to distinguish continuous tone originals from printed halftones, since these two classes are likely to require different strategies and methods for making the digital images.
Virtual Graphic Artist Webzine article on continuous tone
Continuous Tone in Wikipedia
Cornell preservation program imaging page on resolution considerations for continuous tone images and halftones
See also:
Printed halftone