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The studios responded to television, and its rapid siphoning of the movie audience, with a battery of technical "advances," many of them modernized versions of processes developed two to three decades earlier. Three techniques were introduced that employed panoramic framing, which met with varying degrees of success. The standard film aspect ratio had been 1.33:1, nearly square. In 1953, Twentieth Century-Fox studio initiated CinemaScope, with an aspect ratio of 2.35:1. CinemaScope is an anamorphic process, using a lens while filming which squeezes a wide image onto a standard-sized frame of film; the image is unsqueezed via a complementary lens on the projector. A competing system, VistaVision, has a ratio of 1.85:1, accomplished by turning the film strip 45 degrees and photographing and projecting the film horizontally. These aspect ratios became the industry standard.
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