ISO 9236-1:2004
Photography -- Sensitometry of screen/film systems for medical radiography -- Part 1: Determination of sensitometric curve shape, speed and average gradient
détails du produit
The filmholder can be any means that ensures close screen/film contact and prevents the film from being exposed to ambient light. In particular, the filmholder can be a light-tight vacuum bag, as often used in the laboratory, or a radiographic cassette as used in medical radiography.