Photography is the process of making pictures by means of the action of light. Light patterns reflected or emitted from objects are recorded onto a sensitive medium or storage chip through a timed exposure. The process is done through mechanical, chemical or digital devices known as cameras.

The word comes from the Greek words φως phos ("light"), and γραφις graphis ("stylus", "paintbrush") or γραφη graphê, together meaning "drawing with light" or "representation by means of lines" or "drawing." Traditionally the product of photography has been called a photograph. The term photo is an abbreviation; many people also call them pictures. In digital photography, the term image has begun to replace photograph. (The term image is traditional in geometric optics.)

Photographic image-forming devices

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Most commonly a camera or camera obscura is the image forming device and photographic film or a digital storage card is the recording medium, although other methods are available. For instance, the photocopy or xerography machine forms permanent images but uses the transfer of static electrical charges rather than photographic film, hence the term electrophotography. The rayographs published by Man Ray in 1922 are images produced by the shadows of objects cast on the photographic paper, without the use of a camera. Objects can be placed directly on the glass of a scanner to produce pictures digitally.

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qbranchltd (qbranchltd) Sun, 03 Jan 2010 20:09:28 -0000
Remember when it was warm? http://www.etsy.com/view_listing.php?listing_id=37775434 #etsy #photography #art
finally I reached to read half of my photography book!
truelovebaby (Pepi Torremocha) Sun, 03 Jan 2010 20:09:08 -0000
finally I reached to read half of my photography book!
@TheRealAlexN @lilylolita keep up the plot to destroy my business..hahaha I can only laugh @ u fools .. I run my own photography biz so how?
phrankleen (Franklin Awodiya) Sun, 03 Jan 2010 20:08:50 -0000
@TheRealAlexN @lilylolita keep up the plot to destroy my business..hahaha I can only laugh @ u fools .. I run my own photography biz so how?
RT @global_gourmet: RT @GotPassport: Find out what Peter West Carey is doing to make a difference! http://bit.ly/8sWQQ4 <#photography ...
TravelIndustry (Travel Industry) Sun, 03 Jan 2010 20:08:50 -0000
RT @global_gourmet: RT @GotPassport: Find out what Peter West Carey is doing to make a difference! http://bit.ly/8sWQQ4 <#photography ...
RT @daniellekelly: blog post ” behind the clouds behind the wall ”http://dkellyphotography.tumblr.com/ #photography
StampfliTurci (Stampfli & Turci) Sun, 03 Jan 2010 20:08:18 -0000
RT @daniellekelly: blog post ” behind the clouds behind the wall ”http://dkellyphotography.tumblr.com/ #photography
[Photography News] Photography Kits « Videography Articles « Articles « Fast Cash ... http://bit.ly/91dFC6
Photography360 (Photography News 360) Sun, 03 Jan 2010 20:08:13 -0000
[Photography News] Photography Kits « Videography Articles « Articles « Fast Cash ... http://bit.ly/91dFC6

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