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The majority of 35 mm film systems, cameras, telecine equipment, optical printers, or projectors, are configured to accommodate the 4-perf system; each frame of 35 mm is 4 perforations long. 4-perf was (and remains) the traditional system, and the majority of projectors are based on 4-perf, because 4 perforations is the amount needed per frame vertically in order to have enough negative space ...
Logotype of the VistaVision format. A VistaVision 35 mm film frame (the dotted area shows a 1.85:1 aspect ratio crop). VistaVision is a higher resolution, widescreen variant of the 35 mm motion picture film format that was created by engineers at Paramount Pictures in 1954.
Techniscope employs standard 35 mm camera films, which are suitable for 2-perf (Techniscope), 3-perf, conventional 4-perf (spherical or CinemaScope), and even 6-perf and 8-perf (VistaVision), as all of those processes listed employ the same negative and intermediate films, and positive print films intended for direct projection (although 2-, 3- and 8-perfs are not distribution formats).
A 35 mm optical printer with two projector heads, used in producing movie special effects. Starting from the left, light is shining from the lamp house, then at A is the first projector's film gate, at B a lens that projects the film in A onto the second projector's gate C.
For 35 mm film these are 0.1866" and 0.1870" (4.740 mm and 4.750 mm); for 16 mm film they are 0.2994" and 0.3000" (7.605 mm and 7.620 mm). This distinction arose because early nitrocellulose film base naturally shrank about 0.3% in processing due to heat, so film printing equipment was designed to account for a size difference between its ...
DX (Digital indeX) encoding is a standard for marking 35 mm and APS photographic film and film cartridges, originally introduced by Kodak in 1983. It includes multiple markings, which are a latent image barcode on the bottom edge of the film, below the sprocket holes, a conductive pattern on the cartridge used by automatic cameras, and a ...
35 mm film is a film gauge used in filmmaking, and the film standard. [1] In motion pictures that record on film, 35 mm is the most commonly used gauge. The name of the gauge is not a direct measurement, and refers to the nominal width of the 35 mm format photographic film, which consists of strips 1.377 ± 0.001 inches (34.976 ± 0.025 mm) wide.
Some software used to process images scanned by film scanners allows for automatic color correction based on the film manufacturer and type. In many cases the source film may not be marked with this information in human-readable form, but might be marked at the bottom edge with a DX film edge barcode following a standard maintained by ANSI and I3A.