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date: 08 August 2022

3-D film (three-dimensional film, stereoscopic film) 

A Dictionary of Film Studies

Annette Kuhn,

Guy Westwell

An optical process that creates the illusion of three-dimensionality, with the background of the image appearing to recede and the foreground seeming to stand out in front of the screen. With human binocular vision, each eye provides the mind with a slightly different image of the object being looked at (a phenomenon that makes objects appear to move when closing one eye or the other). The mind brings these two images together to form a three-dimensional view. The principles informing 3-D vision have been understood since the early 1800s, and the British inventor Charles Wheatstone developed stereoscopic photographs in the 1840s. These became a popular optical toy during the Victorian era, and stereoscopic photographic slides were also used for ... ...

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