化学灰雾：显影过度造成全面性增加的密度。是由于未曝光的卤化银被显影液感染所引致。
Chemical fog: Overall density produced by an excessive degree of development, due to unexposed silver halides being attacked by the developing solution.
一般认为，在多种曝光条件下，胶片受压之后的灰雾总是增大的。
Ingeneral, under exposing conditions, the fog of the film pressed is always increased.
应用推荐