Achromatic lens

Definition of Achromatic lens

(Opt.) a lens composed usually of two separate lenses, a convex and concave, of substances having different refractive and dispersive powers, as crown and flint glass, with the curvatures so adjusted that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed.

See also: Achromatic

Related Words

compound lens
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