Photography — Black-and-white aerial camera films — Determination of ISO speed and average gradient
NORMA vydána dne 14.8.1986
Designation standards: ISO 7829:1986
Publication date standards: 14.8.1986
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: International technical standard
Kategorie: Technické normy 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.