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 other track became the camera obscura room, a combination of education and entertainment.
Today the camera obscura is enjoying a revival of interest.
The image that you aim your camera obscura at will appear upside down on the lid.
The camera's essence is simple: light enters through a pinhole on one side of a dark chamber (camera obscura in Latin), producing an upside-down image of the outside world on the chamber's opposite wall.
The camera obscura exerts a gravitational pull that does not easily let go.
The image of the Salute is inverted, as are all pure camera obscura images.
By photographing the camera obscura image as it falls upon the substance and furnishings of the hotel rooms and unused offices he adapts for the purpose, Morell ironically superimposes the longevity of the monuments outside on an internal site of transience by means of light passing through.