Specifications at a glance - CinemaScope ®
Process Developer: 20th Century-Fox Film Corporation
Year of Introduction: 1953

NEGATIVE SPECS:
Film Gauge: 35mm
Direction of travel: Vertical - four perforations - 24 fps
Camera Optics: 2x Anamorphic squeeze
Aperture Dimensions: .868" x .735"
Max Aspect Ratio: 2.35:1 (with squeeze) - see text for early variations

PRINT SPECS:
Film Gauge: 35mm - Special small perforations, referred to as "Fox Holes" were used to allow room for the four magnetic sound tracks. Mono prints used standard perforations
Direction of travel: Vertical - four perforations - 24 fps
Projector Optics: 2x Anamorphic squeeze
Aperture Dimensions: .839" x .700" nominal
Max Aspect Ratio: 2.35:1 (with squeeze) - see text for early variations
Sound Format: Magnetic Four Track Stereo - L, C, R stage channels and mono surround channel with trigger tone - CS perforations (2.55:1 image aspect ratio)
Alt Sound Format: "Magoptical" Four Track Stereo as above, plus half width mono optical - CS perforations
Alt Sound Format: Optical monophonic - Standard perforations

A number of other trade named processes conform to these specifications. See "CinemaScope Clones" in the Process Filmography section.


CinemaScope 55

©1998 The American WideScreen Museum