Mobile photography # 07 | Samsung Galaxy Y Duos

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Photography is the science, art, application and practice of creating durable images by recording light or other electromagnetic radiation, either electronically by means of animage sensor, or chemically by means of a light-sensitive material such as photographic film.

Lens and mounting of a large-format camera

Other namesScience or Art of creating durable imagesTypesRecording light or other electromagnetic radiationInventorThomas Wedgwood (1800)RelatedStereoscopic, Full-spectrum, Light field, Electrophotography, Photograms, Scanner

Typically, a lens is used to focus the light reflected or emitted from objects into a real image on the light-sensitive surface inside acamera during a timed exposure. With an electronic image sensor, this produces anelectrical charge at each pixel, which iselectronically processed and stored in adigital image file for subsequent display or processing. The result with photographic emulsion is an invisible latent image, which is later chemically "developed" into a visible image, either negative or positive depending on the purpose of the photographic material and the method of processing. A negative image on film is traditionally used to photographically create a positive image on a paper base, known as a print, either by using an enlarger or by contact printing.

Photography is employed in many fields of science, manufacturing (e.g.,photolithography), and business, as well as its more direct uses for art, film and video production, recreational purposes, hobby, and mass communication.

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