Technology
Photography
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Cameras and photography
A camera is a device that records an image of a scene, either electronically as a digital photograph or on photographic film. The main features of a camera are a lens and a...
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Cameras and photography A-Z
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History of photography
The forerunner of the camera was the camera obscura, used by artists, which made images with a lens, but could not record them. The earliest surviving photograph, an image recorded...
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Movie technology
A motion picture, usually called a movie or film, is a series of many thousands of still images which, when projected on to a screen in quick succession, creates the effect of...
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Movie technology A-Z