Photography — Black-and-white aerial camera films — Determination of ISO speed and average gradient
NORMA vydaná dňa 14.8.1986
Označenie normy: ISO 7829:1986
Dátum vydania normy: 14.8.1986
Počet strán: 9
Približná hmotnosť: 27 g (0.06 libier)
Krajina: Medzinárodná technická norma
Kategória: 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.