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The KS1870 perforation, or KS perforation with a pitch of 0.1870", is the modern standard for release prints as well as for 135 still camera film. 65/70 mm, the other "professional" standard, was created many years after KS perforations had been recommended for negative as well as positive applications, and was adopted for positive applications.
The Academy ratio of 1.375:1 (abbreviated as 1.37:1) is an aspect ratio of a frame of 35 mm film when used with 4-perf pulldown. [ 1 ] [ 2 ] It was standardized by the Academy of Motion Picture Arts and Sciences as the standard film aspect ratio in 1932, although similar-sized ratios were used as early as 1928.
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 ...
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.
16 mm stock, registration perforated Introduced with Kodak's "Pocket Instamatic" series Daylight, Transparency, Black & White Fujifilm ceased 110 production in 2009. Lomography revived the format in 2011. 111 for roll holder 1898 Unknown 6 + 1 ⁄ 2 × 4 + 3 ⁄ 4 in 165.1 × 120.65 mm Possibly discontinued 1924 or 1929 112 for roll holder 1898 ...
Some studios sought to compensate for these effects by shooting color films with a full aperture gate (rather than the academy aperture) and then reducing the image in Technicolor's optical printer. This process is a predecessor of today's Super 35 format, which also uses a 1.85:1 ratio but one-third more frame area than does a standard 1.85:1 ...
The 35 mm 8 perforation Technirama horizontal camera film. Note the circle has been stretched vertically by a factor of 1.5. Technirama is a screen process that has been used by some film production houses as an alternative to CinemaScope. It was first used in 1957 but fell into disuse in the mid-1960s.
Kodak Ektachrome 200, shot in a Holga 120CFN A sprocket hole photograph. 35mm film inserted into medium format camera. Sprocket hole photography is a style of photography that exposes the full width of a perforated film such as 35mm film, creating a photograph punctuated by the "sprocket holes" (perforations) along the edges of the film.