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A gauge of motion picture film, 8 millimeters wide from edge to edge.Introduced for the home market by Kodak in 1932, "Cine Kodak Eight" utilized a special 16mm film that had double the number of perforations along both edges, enabling the filmmaker to run the film through the camera in one direction, then reload and expose the other half of the film, similar to the way an audiocassette is used.

Regular 8mm has 80 frames per foot and the same size sprocket holes as 16mm film.In 1965, Kodak introduced cartridge-loading Super 8mm that eliminated the need to flip and rethread the film.Super 8 has 74 frames per foot and smaller sprocket holes, leaving more area for the image.It is used by both amateurs and professionals and has developed a following among experimental filmmakers.Many well-known cinematographers and directors began their careers using Super 8.Click here to learn more, courtesy of A gauge of motion picture film, 16 millimeters wide from edge to edge, with perforations along one edge and space for a sound track along the other (silent 16mm film has perforations on both sides).

Introduced by Kodak in 1923 as a safe, nonflammable alternative for the amateur and educational (documentary) markets, 16mm film is the gauge most commonly found in the collections of American archives, libraries, and museums.Used extensively for military training films during World War II, it has 40 frames per foot and one perforation per frame.Sound 16mm film is shot and projected at a speed of 24 frames per second; silent 16mm at 16 frames per second.Introduced in 1971, Super 16mm is a negative-only film with a frame area 40 percent greater than regular 16mm, enlarged to 35mm in processing.Because 16mm cameras and projectors are portable and easy to operate, early enthusiasts formed cine clubs to share their work and exchange information.Many 16mm users switched to videotape in the 1970s when portable video equipment became widely available.

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