Published
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.
PUBLISHED
ISO 7829:1986
90.93
Standard confirmed
Jun 5, 2021
PUBLISHED
ISO 7829:1986/Cor 1:2001