Stereoscopy.

A photographic technique which yields simulated three-dimensional photographs.

Two photographs are taken using two lenses a short distance apart. The resulting photos are then viewed with a special viewer which prevents the eye from seeing the opposite picture. The brain takes in the two photos and melds them, resulting in a 3D effect. Modern stereoscopic films usually rely on polarized lenses and viewing spectacles with polarizing filters instead.

cf. anaglyph.

Entry last updated 2002-04-03. Term 1177 of 1487.

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