I3A IT2.4-1987 (R1994) Photography - Sensitometry of Screen/Film Systems for Medical Radiography - Part 1: Determination of Sensitometric Curve Shape, Speed and Average Gradient (same as ANSI/ISO 9236-1-1996)

standard by International Imaging Industry Association, 04/17/1997

Full Description

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.

Product Details

Published: 04/17/1997 ANSI: ANSI Approved File Size: 1 file , 1.2 MB