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Camera obscura   Listen
noun
Camera obscura  n.  (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.






Collaborative International Dictionary of English 0.48








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"Camera obscura" Quotes from Famous Books



... first time. A gang of stone masons went past him on the pavement, and all of them were reflected in his inner vision with an exaggerated vividness and brilliance of colour, just as though on the frosted glass of a camera obscura. The foreman, with a red beard, matted to one side, and with blue austere eyes; and a tremendous young fellow, whose left eye was swollen, and who had a spot of a dark-blue colour spreading from the forehead to the cheekbone and from the nose to the ...
— Yama (The Pit) • Alexandra Kuprin



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