IS0 was requested to develop a method for measuring speedand average gradient of black-and-white negative camera filmprocesscombinations used in aerial photography because ofthe incompatability of various existing standards; the aim beingto create an International Standard that would incorporate themost important features of these standards.
- Published:
- 01/24/1997
- ANSI:
- ANSI Approved
- Number of Pages:
- 22
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