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pincushion distortion |
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pincushion distortion [′pin‚ku̇sh·ən di‚stȯr·shən] (electronics) Distortion in which all four sides of a received television picture are concave (curving inward). (optics) Aberration in which the magnification produced by an optical system increases with the distance of the object point from the optical axis, so that the image of a square has concave sides. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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