Motion Picture Terminology
"Film reel" redirects here. For reels used to process film, see Developing tank.It is traditional to discuss the length of theatrical motion pictures in terms of "reels." The standard length of a 35 mm motion picture reel is 1,000 feet (300 m). This length runs approximately 11 minutes at sound speed (24 frames per second) and slightly longer at silent movie speed (which may vary from approximately 16 to 22 frames per second). Most films have visible cues which mark the end of the reel. This allows projectionists running reel-to-reel to change-over to the next reel on the other projector.
A so-called "two-reeler" would have run about 20–24 minutes since the actual short film shipped to a movie theater for exhibition may have had slightly less (but rarely more) than 1000 ft (about 305 m) on it. Most modern projectionists use the term "reel" when referring to a 2,000-foot (610 m) "two-reeler," as modern films are rarely shipped by single 1,000-foot (300 m) reels. A standard Hollywood movie averages about five 2000-foot reels in length.
The "reel" was established as a standard measurement because of considerations in printing motion picture film at a film laboratory, for shipping (especially the film case sizes) and for the size of the physical film magazine attached to the motion picture projector. Had it not been standardized (at 1,000 feet (300 m) of 35 mm film) there would have been many difficulties in the manufacture of the related equipment. A 16 mm "reel" is 400 feet (120 m). It runs, at sound speed, approximately the same amount of time (11–12 minutes) as a 1000-foot 35 mm reel.
A "split reel" is a motion picture film reel in two halves that, when assembled, hold a specific length of motion picture film that has been wound on a plastic core. Using a split reel allows film to be shipped or handled in a lighter and smaller form than film would on a "fixed" reel. In silent film terminology, two films on one reel.
As digital cinema catches on, the physical reel is being replaced by a virtual format called Digital Cinema Package, which can be distributed using any storage media (such as hard drives) or data transfer medium (such as the Internet or satellite links) and projected using a digital projector instead of a conventional movie projector.
Read more about this topic: Reel
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“in the mind of man,
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