胶片表观质量的优劣,是决定整个胶片质量的重要一环。即使胶片的照相性能很好,若无优良的表现质量作前提,也是通不过的。在某种程度上说,胶片要达到一定的表现质量,比单纯获得良好的乳剂照相性能更为费事,因为这涉及到片基、乳剂、涂布、整理等每个工艺过程的严格控制。当然,上述工艺过程中,有的因素如涂布干燥过程,会直接影响乳剂性能。胶片上的某些异物,会使乳剂造成减感、增感;而另有一些因素 The apparent quality of the film is an important part of determining the quality of the film. Even if the photographic quality of the film is good, it would not pass without good performance quality. To some extent, achieving a certain quality of film performance is more cumbersome than simply obtaining good emulsion photographic performance because it involves strict control of each process, such as base, emulsion, coating, finishing and the like. Of course, some of the above process, such as coating drying process, will directly affect the performance of the emulsion. Some foreign matter on the film will cause the emulsion sense of desensitization, sensation; and other factors