Archive: December 28, 2012

What is Dot Gain?

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Dot gain is often also referred to as TVI (Tonal Value Increase). It is a printing phenomenon, which occurs in offset lithography that causes the small halftone dots that make up an image to grow in size during the printing process. Dot gain is caused by halftone dots growing in size between the original printing plate and the final printed sheet. The image above illustrates this— the original halftone dot (dark…

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