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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.
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 ...
Half-frame cameras, also called single-frame or split-frame cameras, are film cameras compatible with 35mm film types. These cameras capture congruent shots that take up half of each individual frame in the roll of film. They can be still frame or motion picture cameras and are the standard format of 35mm movie cameras.
The other half of the light passes to the other side, through a 45-degree angle mirror and into a video camera tube. Because the camera dollies had to support two cameras—one conventional electronic image orthicon TV camera tube, and one 35mm motion picture camera—the system was bulky and heavy, and somewhat clumsy in operation.
The kinescope was used to record the image from a television display to film, synchronized to the TV scan rate. The film could then be shown directly into a video camera for retransmission. [3] Non-live programming could also be filmed using the kinescope, edited mechanically as normal, and then played back for TV.
The Technirama process used a film frame area twice as large as CinemaScope. This gave the former a sharper image with less photographic grain. Cameras used 35mm film running horizontally with an 8-perforation frame, double the normal size, exactly the same as VistaVision. VistaVision cameras were sometimes adapted for Technirama.
The sizes of sensors used in most current digital cameras, relative to a 35 mm format. A full-frame DSLR is a digital single-lens reflex camera (DSLR) with a 35 mm image sensor format (36 mm × 24 mm). [1] [2] Historically, 35 mm was one of the standard film formats, alongside larger ones, such as medium format and large format.
Each roll of 35 mm film came with its own small packet of processing chemistry. After exposure, the film and its packet were loaded into a small hand-cranked machine called an "AutoProcessor". [10] [11] The time it required to produce a fully developed film ready for mounting varied from between two and five minutes, depending on the type of film.