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achromatic lens

noun, Optics.
a system of two or more lenses that is substantially free from chromatic aberration and in which the lenses are made of different substances so that the focal length of the system is the same for two or three wavelengths of light.
Also called achromat.
Origin of achromatic lens
probably earlier than 1860-65 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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achromatic-lens in Medicine

achromatic lens n.
A combination of lenses made of different glass, used to produce images free of chromatic aberrations.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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