Camera lenses. Method for measurement illuminance distribution over image field
NORMA vydána dne 1.1.1992
Designation standards: GOST 20829-90
Note: NEPLATNÁ
Publication date standards: 1.1.1992
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: Russian technical standard
Kategorie: Technické normy GOST