NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
ISO 6
ISO 6
Photography; Determination of ISO speed of monochrome (black-and-white), continuous-tone photographic negative materials for still photography
Title (German)
Photographie; Bestimmung der ISO-Lichtempfindlichkeit monochromer (schwarz-weiß), kontinuierlich getönter (mit stetiger Gradation) photographischer Negativmaterialien für Lichtbilder (Standphotos)