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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VisionMongers: Making a Life and a Living in Photography http://bit.ly/2iuhKN
NewTechBooks (New Tech Books) Wed, 23 Dec 2009 11:42:36 -0000
VisionMongers: Making a Life and a Living in Photography http://bit.ly/2iuhKN
new blog post from Asian Wedding in Central London. BEWARE FLASH PHOTOGRAPHY http://bit.ly/59nJT5
DavidPullum (DavidPullum) Wed, 23 Dec 2009 11:42:34 -0000
new blog post from Asian Wedding in Central London. BEWARE FLASH PHOTOGRAPHY http://bit.ly/59nJT5
New photography coming up ^^
Didbeats (Adibah Shah) Wed, 23 Dec 2009 11:42:25 -0000
New photography coming up ^^
@antitheistangie kickass photography indeed... well she's ok. could use a few pounds tho ^_^
rodiell (Lilla Bertalan) Wed, 23 Dec 2009 11:42:20 -0000
@antitheistangie kickass photography indeed... well she's ok. could use a few pounds tho ^_^
RT @Flipbooks: 52 Awesome Pictures of Cities At Night http://ff.im/-cehK0 (via @ScottATaylor) #Photography
jmdc88 (JM in DC) Wed, 23 Dec 2009 11:42:20 -0000
RT @Flipbooks: 52 Awesome Pictures of Cities At Night http://ff.im/-cehK0 (via @ScottATaylor) #Photography
Find art retreats, painting, photography and other creative courses throughout Europe. Go to krazart! http://bit.ly/5qB3Lk
Jinxianggg (Chua Jin Xiang) Wed, 23 Dec 2009 11:42:09 -0000
Find art retreats, painting, photography and other creative courses throughout Europe. Go to krazart! http://bit.ly/5qB3Lk

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