chromatic aberration(redirected from newtonian aberration)
Also found in: Thesaurus, Medical, Encyclopedia.
Deficiency in clarity of an image produced by a lens, caused by the inability of the lens to bring all colors of light to a focus at the same point. Also called false color.
(Astronomy) a defect in a lens system in which different wavelengths of light are focused at different distances because they are refracted through different angles. It produces a blurred image with coloured fringes
the variation of either the focal length or the magnification of a lens system with different wavelengths of light.