ANSI PH2.40-1985 标准详情
- 标准号:ANSI PH2.40-1985
- 中文标题:摄影(胶片).胶片粒度(只在一侧显象)的均方根值的测定方法
- 英文标题:Photography (Film) - Root Mean Square (rms) Granularity of Film (Images on One Side Only) - Method for Measuring
- 标准类别:美国国家标准
- 发布日期:1985
Describes a method for the determintation of the granularity of photographic films by scanning with a suitable microdemsitometer. Both continuous-tone black-and-white and color material on a transmitting support may be measured by the procedures desc
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