anamorphic lens

anamorphic lens
1. a compound lens or system of lenses that compresses the camera image in the horizontal direction during filming, so that a wide-screen image can fit on the width of conventional 35-mm film.
2. a similar system used in projection that horizontally expands the compressed image back to its original wide-screen aspect ratio.
[1950-55]

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Universalium. 2010.

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