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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.concave lens - a lens such that a parallel beam of light passing through it is caused to diverge or spread outconcave 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
References in periodicals archive ?
The Santilli Telescope[TM] designed by Thunder Energy is the only existing telescope which can detect anti-matter light in deep space through its special concave lens.
In a Galilean system, the eyepiece is a concave lens and the objective lens is convex.
Substituting a concave lens for the ocular made the image appear right-side up, but reduced magnification.
1 PC concave lens configuration [12]--This approach utilizes the negative refraction concept in PC concave lens so that the larger size beam width can be focused on to a waveguide device with the sub-wavelength focusing.