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8 mm film is a motion picture film format in which the filmstrip is eight millimeters wide. It...

8 mm film is a motion picture film format in which the filmstrip is eight millimeters wide. It exists in two main versions: the original standard 8mm film, also known as regular 8 mm or Double 8 mm, and Super 8. Although both standard 8 mm and Super 8 are 8 mm wide, Super 8 has a larger image area thanks to its smaller perforations. There are also two other varieties of Super 8 — Single 8 mm and Straight-8 — which require different cameras but which produce a final film with the same dimensions. The standard 8 mm film format was developed by the Eastman Kodak company during the Great Depression and released on the market in 1932 to create a home movie format that was less expensive than 16 mm. The film spools actually contain a 16 mm film with twice as many perforations along each edge than normal 16 mm film; on its first pass through the camera, the film is only exposed along half of its width. When the first pass is complete, the camera is opened and the spools are flipped and swapped (the design of the spool hole ensures that this happens properly) and the same film is then exposed along its other edge, the edge left unexposed on the first pass. During processing, the film is