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ISO 2467:2004
Cinematography - Image area produced by 65 mm/5 perforation motion-picture camera aperture and maximum projectable image area on 70 mm/5 perforation motion-picture prints - Positions and dimensions
ISO 2467:2004 specifies, for 65 mm/5 perforation motion-picture cameras and projectors, the dimensions of the image area produced by the camera on the film and the maximum projectable image area as well as the image positions relative to the reference edge of the film, and the perforations used to position the film in the camera.
International Organization for Standardization [iso]