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A photograph (often shortened to photo or pic (picture)) is an image created by light falling on a light-sensitive surface, usually photographic film or an electronic imager such as a CCD or a CMOS chip. Most photographs are created using a
camera, which uses a lens to focus the scene's visible wavelengths of light into a reproduction of what the human eye would see. The process of creating photographs is called photography. The word "photograph" coined 1839 by Sir John Herschel and is based
on the Greek (phos), "light" + (graphis), "stylus", "paintbrush" or (graphê), "representation by means of lines" or "drawing", together meaning "drawing with light".
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