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In 2019, the Offensive Weapons Act prohibiting automatic flick knives was amended to prohibit: “(a)any knife which has a blade which opens automatically—(i)from the closed position to the fully opened position, or (ii)from a partially opened position to the fully opened position, by manual pressure applied to a button, spring or other device in or attached to the knife, and which is ...
DX-iX (data exchange - information exchange) is an expanded DX encoding system introduced in 1996 which was released as part of the Advanced Photo System (APS), which use a different cartridge and film size, also known as IX240 film. APS film and cameras were marketed with numerous brand names, most including an "ix" to emphasize the ...
Simulation of a spinning zoopraxiscope An early projector and seats from a movie theater. The main precursor to the movie projector was the magic lantern.In its most common setup it had a concave mirror behind a light source to help direct as much light as possible through a painted glass picture slide and a lens, out of the lantern onto a screen.
The film gate is the rectangular opening in the front of a motion picture camera where the film is exposed to light (or an opening for showing the film with a projector). The film gate can be seen by removing the lens and rotating the shutter out of the way. The film is held on a uniform plane at a calibrated distance in the gate by a pressure ...
The intermediate film system, with its expensive film usage and relatively immobile cameras, did have the advantage that it left a filmed record of the programme which could be rerun at a different time, with a better image quality than the later kinescope films, which were shot from a video monitor.
First known film is the first film (not including tests) made with the format and intended for release. Negative gauge is the film gauge (width) used for the original camera negative. Negative aspect ratio is the image ratio determined by the ratio of the gate dimensions multiplied by the anamorphic power of the camera lenses (1× in the case ...
The Dykstraflex was the first digital motion control photography camera system, named after its primary developer John Dykstra. Numerous people actually created the camera, with the critical electronics being created by Alvah J. Miller and Jerry Jeffress. The camera was developed in 1976 specifically for complex special effects shots in Star Wars
Year Name Number of films 2002: 12-Track Digital Sound: 40 2015: 2-Track Digital Sound ()586 1953: 3 Channel Stereo: 51 1953: 4-Track Stereo (CinemaScope)586 1955: 6-Track Stereo (Todd-AO and compatibles)