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吸光染料是一种具有一定吸收光谱的有色染料,根据其在胶片中的不同用途而有不同名称。吸光染料加在乳剂中用以吸收卤化银颗粒表面所产生的散射和漫射光,从而提高胶片的解象力和清晰度。起内部防光晕作用的常称之为内防光晕染料。
Absorbable dyes are colored dyes having a certain absorption spectrum that have different names depending on their different uses in the film. Light absorbing dyes are added to the emulsion to absorb the scattered and diffused light generated on the surface of the silver halide grains, thereby enhancing the resolving power and sharpness of the film. Internal anti-halo effect often referred to as internal anti-halo dye.