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Meaning of CAMERA OBSCURA

 
WordNet Dictionary
 
 Definition: 
[n]  a darkened enclosure in which images of outside objects are projected through a small aperture or lens onto a facing surface
 
 See Also: chamber

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Cam"e*ra ob*scu"ra\ [LL. camera chamber + L.
obscurus, obscura, dark.] (Opt.)
1. An apparatus in which the images of external objects,
   formed by a convex lens or a concave mirror, are thrown on
   a paper or other white surface placed in the focus of the
   lens or mirror within a darkened chamber, or box, so that
   the outlines may be traced.

2. (Photog.) An apparatus in which the image of an external
   object or objects is, by means of lenses, thrown upon a
   sensitized plate or surface placed at the back of an
   extensible darkened box or chamber variously modified; --
   commonly called simply {the camera}.

 

 

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