NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
DIN 4512-1
DIN 4512-1
Photographic sensitometry, determination of the speed of black and white negative materials for pictorial photography
Title (German)
Photographische Sensitometrie; Bestimmung der Lichtempfindlichkeit von Schwarzweiß-Negativmaterial für bildmäßige Aufnahmen