Photographic flash equipment. Methods for determination of the light output of electronic flash equipment.
NORMA vydána dne 31.3.1980
Designation standards: BS 5841-7:1980
Note: NEPLATNÁ
Publication date standards: 31.3.1980
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: British technical standard
Kategorie: Technické normy BS