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  2. Film perforations - Wikipedia

    en.wikipedia.org/wiki/Film_perforations

    The KS1870 perforation, or KS perforation with a pitch of 0.1870", is the modern standard for release prints as well as for 135 still camera film. 65/70 mm, the other "professional" standard, was created many years after KS perforations had been recommended for negative as well as positive applications, and was adopted for positive applications.

  3. 35 mm movie film - Wikipedia

    en.wikipedia.org/wiki/35_mm_movie_film

    35 mm film is a film gauge used in filmmaking, and the film standard. [1] In motion pictures that record on film, 35 mm is the most commonly used gauge. The name of the gauge is not a direct measurement, and refers to the nominal width of the 35 mm format photographic film, which consists of strips 1.377 ± 0.001 inches (34.976 ± 0.025 mm) wide.

  4. Negative pulldown - Wikipedia

    en.wikipedia.org/wiki/Negative_pulldown

    The majority of 35 mm film systems, cameras, telecine equipment, optical printers, or projectors, are configured to accommodate the 4-perf system; each frame of 35 mm is 4 perforations long. 4-perf was (and remains) the traditional system, and the majority of projectors are based on 4-perf, because 4 perforations is the amount needed per frame vertically in order to have enough negative space ...

  5. Academy ratio - Wikipedia

    en.wikipedia.org/wiki/Academy_ratio

    The Academy ratio of 1.375:1 (abbreviated as 1.37:1) is an aspect ratio of a frame of 35 mm film when used with 4-perf pulldown. [ 1 ] [ 2 ] It was standardized by the Academy of Motion Picture Arts and Sciences as the standard film aspect ratio in 1932, although similar-sized ratios were used as early as 1928.

  6. Technirama - Wikipedia

    en.wikipedia.org/wiki/Technirama

    The Technirama process used a film frame area twice as large as CinemaScope. This gave the former a sharper image with less photographic grain.Cameras used 35mm film running horizontally with an 8-perforation frame, double the normal size, exactly the same as VistaVision.

  7. Film stock - Wikipedia

    en.wikipedia.org/wiki/Film_stock

    35mm film began to become the dominant gauge because of the commonality of Edison's and Lumière's cameras. Consumers usually purchased unperforated film and had to punch it by perforators that were often imprecise, causing difficulty in making prints for the opposite perforation format. In 1908, the perforators began to be made by Bell and ...

  8. Techniscope - Wikipedia

    en.wikipedia.org/wiki/Techniscope

    A Techniscope camera film frame. Techniscope or 2-perf is a 35 mm motion picture camera film format introduced by Technicolor Italia in 1960. [1] The Techniscope format uses a two film-perforation negative pulldown per frame, instead of the standard four-perforation frame usually exposed in 35 mm film photography.

  9. List of motion picture film formats - Wikipedia

    en.wikipedia.org/wiki/List_of_motion_picture...

    This list of motion picture film formats catalogues formats developed for shooting or viewing motion pictures, ranging from the Chronophotographe format from 1888, to mid-20th century formats such as the 1953 CinemaScope format, to more recent formats such as the 1992 IMAX HD format.