camera obscura


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.
Related to camera obscura: camera lucida

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 ?
Kofman argues that Rousseau's camera obscura plays the role of a "fetish.
For Marx, the camera obscura worked as a metaphor for ideology precisely because it turns the world upside down: ideology sees things upside down and in a distorted manner.
The camera obscura itself is a huge tee-pee-like structure, with room for six people inside, with the image being "projected" on to a piece of cardboard, which she then photographs digitally, thus mixing the very latest in photographic technologies with a device for (temporarily) capturing images that has been used by artists for 2,500 years, and whose Latin name gave us our word camera.
RAIL: Let's start by talking about the image that appears on the inside of the camera obscura.
From there students discussed concepts and ideas and came to the idea of the camera obscura, a concept known as far back as Aristotle.
The exhibition includes camera obscura examples and other advancements in optics, showing how early people came to understand the complex concepts behind vision.
The execution of the volume itself is unusually fine and carefully conceived, with the type of some headings set upside down to mimic the reversed image of the camera obscura, a "pinhole" through the front cover, and a wealth of color photos of the project as well as concluding, fold-out plates of the finished photo in its positive and negative forms.
CAMERA OBSCURA There was carnage in running on Betfair in the closing stages of the handicap hurdle won by Mickmacmagoole at Ffos Las after the cameraman missed odds-on favourite and runner-up Azione on the inside from the second-last until the run-in, leading to plenty of burned fingers.
More recently, maybe a stripped down Camera Obscura.
The convergence of an and science is represented in a monumental first edition of "Iconografica Rappresentatione della Inclita Citta di Venezia" (1729), one of the greatest printed maps of cities, and two 18th-century examples of the camera obscura, an optical device likely to have been used by the view painters.
Light Secrets contains a build-it-yourself Zoetrope and a camera obscura, light tricks, and images that confuse the eye.