NA 149
DIN Standards Committee Entertainment Technology, Photography and Cinematography
Standards
[Withdrawn]
DIN 19030-4
DIN 19030-4
Filters for camera lenses, for copying and projection purposes; filters for copiers; determination of filter values
Title (German)
Filter für Aufnahme-, Kopier- und Wiedergabezwecke; Kopierfilter; Bestimmen der Filterwerte