reflection density


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reflection density

n
(General Physics) physics a measure of the extent to which a surface reflects light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the reflectance. Symbol: D Former name: optical density
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Imaging grey scale: Kodak grey scale reflection density guide, 24 step defined, (Kodak Q 16 target), whose density range is similar to output profile device range.
56 on Printing Inks, ASTM D 7305, "Test Method for Reflection Density of Printed Matter," is designed to help achieve consistent color reproduction of printed color on flat surfaces.
If you think it's necessary, ask your printer to collect extra data during the production process, such as reflection density readings in the pressroom and measurements of ink jet quality and/or position.