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Rotary Disc Shutter
A rotary disc shutter is a type of shutter. It is notably used in motion picture cameras. Rotary shutters are semicircular discs that spin in front of the film gate, alternately allowing light from the lens to strike the film, or blocking it. Details Rotary shutters are semicircular discs that spin in front of the film gate, alternately allowing light from the lens to strike the film, or blocking it. When blocking the light, the exposed portion of the film is advanced, and another, pristine frame is moved into position. The spinning disc then exposes the new frame of film. The nature of light-sensitive film requires a shutter to block the light and prevent "smearing" of the image as the film is advanced through the camera. Digital sensors do not require a rotary shutter, although some high-end digital cinema cameras do have them. Some rotary shutters utilize mirrors (or mirrored surfaces) so that when the shutter is in its "closed" position, light from the lens is redirected to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moviecam Schematic Animation
Moviecam is a motion picture equipment company specializing in movie camera systems for 35 mm film. History Originally started in Vienna, Austria as an in-house project of Fritz Gabriel Bauer and Walter Kindler's Moviegroup film production company in the late 1960s, the amount of research and development needed to create a new and modern motion picture camera system from scratch led to the formal creation of Moviecam as an independent corporate entity in 1976. Although only three camera models (SuperAmerica, Compact, and SL) were produced in significant quantities for international usage, the high quality camera design, simplicity of usage compared to the contemporary models of Arri and Panavision, and integration of modern and pioneering camera features led to widespread usage in the film industry. Arri subsequently bought the company in the 1990s. At Arri, Bauer developed, together with Walter Trauninger and their camera development team, the Arricam System, which combined ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
