Photography — Black-and-white aerial camera films — Determination of ISO speed and average gradient
NORM herausgegeben am 14.8.1986
Bezeichnung normen: ISO 7829:1986
Ausgabedatum normen: 14.8.1986
Zahl der Seiten: 9
Gewicht ca.: 27 g (0.06 Pfund)
Land: Internationale technische Norm
Kategorie: Technische Normen ISO
Description / Abstract: Describes a method for determining the speed and average gradient of black-and-white negative films used in aerial photography. Depending on the processing conditions, a single film product may have several speed and gradient values. The specifications do not apply to infrared aerial films.