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Photography Photography  is the art, application and practice of creating durable  images  by recording light or other  electromagnetic radiation , either electronically by means of an  image sensor , or chemically by means of a light-sensitive material such as  photographic film . It 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. Typically, a  lens  is used to  focus  the light reflected or emitted from objects into a  real image  on the light-sensitive surface inside a camera during a timed  exposure . With an electronic image sensor, this produces an  electrical charge  at each  pixel , which is  electronically processed  and stored in a  digital image file  for subsequent display or processing. The res...

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