SMPTE 198 – Motion-Picture Film (8-mm Type S) – 50-Ft Model 1 Sound Camera Cartridge – Aperture, Pressure Pad and Film Position
This standard specifies the dimensions and location of the cartridge aperture and pressure pad as well as the position of the film in the aperture of 8-mm type S 50-ft model I sound motion-picture film camera cartridges.
