70 Mm Film

70 Mm Film

70mm film (or 65mm film) is a wide high-resolution film gauge, with higher resolution than standard 35mm motion picture film format. As used in camera, the film is 65 mm (2.6 in) wide. For projection, the original 65mm film is printed on 70 mm (2.8 in) film. The additional 5mm are for magnetic strips holding four of the six tracks of sound. Although more recent 70 mm prints use digital sound encoding, the vast majority of 70 mm prints predate this technology. Each frame is five perforations tall, with an aspect ratio of 2.20:1. The vast majority of film theaters are unable to handle 70mm film, and so original 70mm films are shown with 35mm prints at these venues, in the regular CinemaScope/​Panavision aspect ratio of 2.35:1.

Read more about 70 Mm Film:  History, Decline

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