camera obscura

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camera obscura

a darkened chamber or small building in which images of outside objects are projected onto a flat surface by a convex lens in an aperture

camera obscura

[¦kam·rə əb′skyu̇r·ə]
(optics)
A primitive camera in which the real image of an object can be observed or traced on the wall of the enclosure opposite the aperture, rather than being recorded photographically.
References in periodicals archive ?
The Rain Room in Sharjah is a dark chamber where constant rain dazzles in spotlight-like strings and what's more, motion sensors allow you to walk through without getting wet
A dark chamber, 1.22 x 1.22 x 2.44 meters, was constructed from plywood with sealed butts, a baffled door, and the interior painted flat black to minimize stray light.
Once the ladies entered the dark chamber, he announced to them that he had actually convened them to their burial (58).
To decrease the dark current (5 nA) and increase the sensitivity, the PMT was cooled down to -30[degrees]C using thermoelectric cooler C10372 (Hamamatsu Photonics K.K.), and the window of PMT was shielded by a dark chamber which was used to ensure light shielding and magnetic shielding.
Players will get the chance to unleash their wits and agility in traversing the laser grids within a pitch dark chamber, as if they were playing an action hero.
The original, probing approach to Britten's dark chamber piece is typical of Egoyan's career in opera, which now spans two decades and has embraced the role of librettist as well as stage director.
reason why the novelist in particular should be fascinated by it (Coetzee, "Dark Chamber").
The variety is extreme, eclectic and sometimes humorous--from the stuffed Great Auk (the last one known in Iceland, killed in 1821, and bought at Sotheby's collectively by the Icelandic nation in 1971) to the dark chamber holding 14 manuscripts of Jonsbok, the text that contained the statutes of Iceland, from 1363 to the 20th century.
This situation turns the store into a dark chamber in case of power failure.
Two students were killed in the demonstrations that day, and it is likely that many more men and women across the region will lose their lives in the continuing struggles for freedom, dignity, democracy and whatever other desired objectives ordinary Arab men and women seek as they continue exiting from the dark chamber of their frozen history of the past half century or so.