achromatic lens


nounOptics.
  1. 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.

Origin of achromatic lens

1
Probably earlier than 1860–65

Words Nearby achromatic lens

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use achromatic lens in a sentence