Photography (derived from the Greek (phōs) for "light" and γραφή (graphé) for "drawing") is the art, science, and practice of creating images by recording light or other electromagnetic radiation electronically by means of an image sensor. Typically, a lens is used to focus the light reflected or emitted from objects into a real image on the light-sensitive surface inside of a camera during a timed exposure. The result is an electrical charge at each pixel, which is electronically processed and transformed into work of art.
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