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Academy ratio 1.375:1. 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.
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 film itself is 35 mm wide (1.38 in), but the area between the perforations is 24.89 mm × 18.67 mm (0.980 in × 0.735 in), leaving the de facto ratio of 1.33:1. [ 3 ] With a space designated for the standard optical soundtrack , and the frame size reduced to maintain an image that is wider than tall; this resulted in the Academy aperture of ...
The aspect ratio 4:3 was used for 35 mm films in the silent era. It is also very close to the 1.375:1 Academy ratio, defined by the Academy of Motion Picture Arts and Sciences as a standard after the advent of optical sound-on-film. By having TV match this aspect ratio, movies originally photographed on 35 mm film could be satisfactorily viewed ...
Nominal Pipe Size (NPS) is a North American set of standard sizes for pipes used for high or low pressures and temperatures. [1] " Nominal" refers to pipe in non-specific terms and identifies the diameter of the hole with a non-dimensional number (for example – 2-inch nominal steel pipe" consists of many varieties of steel pipe with the only criterion being a 2.375-inch (60.3 mm) outside ...
A Soldier's Plaything (US 1930) Michael Curtiz, 57 min; - Vitascope = Warner 1931, 65 mm, 2.25:1, 5 perf. separate soundtrack, (also 35 mm released 1931 May 71 min) Song of the Flame (1930) - Vitascope; first color film (in Technicolor ) to use widescreen.
35 mm 1.33 spherical Biograph: Wm. Dickson & Herman Casler: 1895 Sparring Contest at Canastota: 68 mm 1.35 2.625" × 1.938" 1 perf, 2 sides (punched in-camera) spherical 68 mm spherical Joly-Normandin: Henri Joly: 1895 60 mm 5 perf, 2 sides spherical 60 mm spherical Biographe: Demeny-Gaumont: 1896 60 mm 1.40 1.750" × 1.250" unperforated ...
Original, Anamorphic and letterbox. Anamorphic widescreen (also called full-height anamorphic or FHA) is a process by which a widescreen image is horizontally compressed to fit into a storage medium (photographic film or MPEG-2 standard-definition frame, for example) with a narrower aspect ratio, reducing the horizontal resolution of the image while keeping its full original vertical resolution.