SMPTE 239 – Motion-Picture Film (16-mm) – Perforated 8-mm Type R, 2R
This standard specifies the cutting and perforating dimensions for 16-mm motion-picture film with two rows of 8-mm type R perforations and a perforation pitch of either 0.1500 in or 0.1497 in (3.810 mm or 3.802 mm). The width of the 8-mm strip after processing and slitting is also specified.
