concave lens
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concave lens
, convex lens - A concave lens is thinner at the center; a convex lens is thicker at the center.See also related terms for thicker.
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Noun | 1. | concave lens - a lens such that a parallel beam of light passing through it is caused to diverge or spread out lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images |
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