Fresnel lens

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Fres·nel lens

(frā'nel),
a lens with a surface consisting of a concentric series of zones that duplicate the power of a lens or prism but with less thickness.
Synonym(s): lighthouse lens

Fresnel,

Augustin Jean, French physicist, 1788-1827.
Fresnel lens - a lens with a surface consisting of a concentric series of zones that duplicate the power of a lens or prism but with less thickness. Synonym(s): Fresnel prism; lighthouse lens
Fresnel prism - Synonym(s): Fresnel lens
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