This International Standard specifies the positions and width dimensions of 16 mm negative photographic sound record on 16 mm, 35/16 mm and 35/32 mm motion-picture film intended for printing of 16 mm release prints.
ISO 71:1977 history
2014ISO 71:2014 Cinematography - 16 mm negative photographic sound record on 16 mm, 35/16 mm and 35/32 mm motion-picture film - Positions and dimensions
1977ISO 71:1977 Cinematography; 16 mm negative photographic sound record on 16 mm, 35/16 mm and 35/32 mm motion-picture film; Positions and dimensions