I3A IT2.4-1987 (R1994) Photography (Sensitometry) - Black-and-White Aerial Camera Films - Determination of ISO Speed and Average Gradient (reaffirmation and redesignation of ANSI/ISO 7829-1986, ANSI PH2.34-1987) (same as ANSI/ISO 7829-1986 (R1994))

standard by International Imaging Industry Association, 01/24/1997

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: 01/24/1997 ANSI: ANSI Approved Number of Pages: 22 File Size: 1 file , 1 MB