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What is photography?
Photography is the process of recording pictures by means of capturing light on a light-sensitive medium, such as a film or electronic sensor. Light patterns reflected or emitted from objects expose a sensitive silver halide based chemical or electronic medium during a timed exposure, usually through a photographic lens in a device known as a camera that also stores the resulting information chemically or electronically.
The word "photography" comes from the French photographie which is based on the Greek words φως phos ("light"), and γραφίς graphis ("stylus", "paintbrush") or γραφή graphê ("representation by means of lines" or "drawing"), together meaning "drawing with light." Traditionally, the product of photography has been called a photograph, commonly shortened to photo.
With optical system assistance - with object-glass assistance – from object-glass evolve or reflex light come down to film etc.
Snapshots perform with camera, manipulate optical system, that is, regulate aperture, focus, colour filtration, exposition time, focus distance etc., and after that letting light or another aureola arrive to film, CCD or CMOS matrices. …
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