SMPTE 109 – Motion-Picture Film (16-mm) – Perforated 1R and 2R
This standard specifies the cutting and perforating dimensions for 16-mm motion-picture film with perforations along one or both edges and a perforation pitch of either 0.2994 in or 0.3000 in (7.605 mm or 7.620 mm) for the following two categories: a) 16-mm motion-picture films; b) manufacturer-designated 16-mm professional motion-picture camera films with tighter tolerances.
