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Slit-scan photography
The slit-scan photography technique is a photographic and cinematographic process where a moveable slide, into which a slit has been cut, is inserted between the camera and the subject to be photographed.
More generally, "slit-scan photography" refers to cameras that use a slit, which is particularly used in scanning cameras in panoramic photography. This has numerous applications, and is covered at strip photography. This article discusses the manual artistic technique.
==Use in cinematography==
Originally used in static photography to achieve blurriness or deformity, the slit-scan technique was perfected for the creation of spectacular animations. It enables the cinematographer to create a psychedelic flow of colors. Though this type of effect is now often created through computer animation, slit-scan is a mechanical technique. It was adapted for film by Douglas Trumbull during the production of Stanley Kubrick's ''2001: A Space Odyssey'' (1968) and used extensively in the "star gate" sequence. It requires an imposing machine, capable of moving the camera and its support. This type of effect was revived in other productions, for films and television alike. For instance, slit-scan was used by Bernard Lodge to create the ''Doctor Who'' title sequences for Jon Pertwee and Tom Baker used between December 1973 and January 1980. Slit-scan was also used in ''Star Trek: The Next Generation'' (1987–1994) to create the "stretching" of the starship ''Enterprise''-D when it engaged warp drive. Due to the expense and difficulty of this technique, the same three warp-entry shots, all created by Industrial Light and Magic for the series pilot, were reused throughout the series virtually every time the ship went into warp. Slit-scan photography was also used on ''Interstellar'' for scenes in the tesseract at the end of the movie.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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