SMPTE 257 – Motion-Picture Film (35-mm) – Stereoscopic Prints with Vertically Positioned Subframes – Projectable Image Areas (R2003)
This standard specifies the maximum dimensions of the film image area intended for projection from a 35-mm motion-picture film using vertically positioned subframes for stereoscopic projection, and the placement of this area relative to the perforations and the reference edge of the film.
