- Roll film
Rollfilm or roll film is any type of spool-wound
photographic filmprotected from white lightexposure by a paper backing, as opposed to film which is protected from exposure and wound forward in a cartridge. Confusingly, roll film was originally often referred to as "cartridge" film because of its resemblance to a shotguncartridge. The opaque backing paper allows roll film to be loaded in daylight. It is typically printed with frame number markings which can be viewed through a small red window at the rear of the camera. A spool of roll film is usually loaded on one side of the camera and pulled across to an identical take up spool on the other side of the shutter as exposures are made. When the roll is fully exposed, the take up spool is removed for processing and the empty spool on which the film was originally wound is moved to the other side, becoming the take up spool for the next roll of film.
Rollfilm was invented by
George Eastmanand first used in his Kodakbox camera of 1888. Roll film remained the format of choice for inexpensive snapshot cameras through the end of the 1950s, the most common sizes being 127 and 828 for small format cameras and 120 and 116 for medium format cameras. The use of roll film in snapshot cameras was largely superseded by 135 and 126 cartridges, but 120 and 220 film is still commonly used in medium format cameras.
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Look at other dictionaries:
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roll film — Photog. a strip of film with space for several exposures, packaged on a spool in roll form so as to permit daylight loading and unloading and ease of handling. [1890 95] * * * … Universalium
roll film — /ˈroʊl fɪlm/ (say rohl film) noun a rolled strip of sensitised film for taking successive still pictures … Australian English dictionary
roll film — noun Date: 1895 a strip of film for still camera use wound on a spool … New Collegiate Dictionary
roll film — noun photographic film with a protective lightproof backing paper wound on to a spool … English new terms dictionary
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