论文部分内容阅读
过去柯达黑白胶片和彩色胶片的感光度用ASA(美国标准协会)和DIN(德国工业标准)来表示,今后将采用国际标准化组织(ISO)感光度表示法。按新表示法,原来的ASA100/21DIN要改为ISO100/21°ISO感光度国际标准值正好是ASA
The past sensitivities of Kodak black and white film and color film are indicated by the ASA (American National Standards Institute) and DIN (German Industrial Standard) and ISO (International Standards Organization (ISO) Sensitivity) will be used in the future. According to the new notation, the original ASA100 / 21DIN should be changed to ISO100 / 21 ° ISO sensitivity International standard value is exactly ASA