The lowest density that can be achieved in a given photographic or photomechanical system.
The lowest density that can be achieved in a given photographic or photomechanical system.
中义在指定的摄影或照相系统中能达到的最低浓度值。
The lowest density that can be achieved in a given photographic or photomechanical system.
中义在指定的摄影或照相系统中能达到的最低浓度值。