Cinematography. 35 mm film. Sprockets. Specification for broad tooth sprockets for 35 mm perforated film.
NORMA vydána dne 29.11.1965
Designation standards: BS 5550-3.10.1:1980
Publication date standards: 29.11.1965
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategorie: Technické normy BS
16-tooth intermittent, and 16-tooth, 24-tooth, 32-tooth feed, sound head and hold-back sprockets for use with cellulose nitrate film and cellulose acetate film. Dimensions for accurate engagement with film, minimize film wear, visual performance; dimensions for form of teeth. For motion picture techniques this type of sprockets is obsolescent. Status: Confirmed