Camera lenses. Method for measurement illuminance distribution over image field
NORMA vydaná dňa 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
Kategória: Technické normy GOST