achromatic lens

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achromatic lens

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

ach′romat′ic lens′


n.
a system of two or more lenses made of different substances so that different colors are focused at the same point, eliminating chromatic aberration.
[1860–65]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.achromatic lens - a compound lens system that forms an image free from chromatic aberrationachromatic lens - a compound lens system that forms an image free from chromatic aberration
compound lens - a lens system consisting of two or more lenses on the same axis
References in periodicals archive ?
A large aperture achromatic doublet like the instrument employed by Greenacre and Barr is remarkably ill-suited for assessing any 'delicate' colour phenomena.
Typically the solution for this problem has been to use an achromatic doublet or triplet (if even greater correction is needed), but by using LightPath's unique precision molded aspheric-diffractive hybrid lenses, customers can fix these issues in a single molded glass lens, reducing weight, volume and parts count.
The optical bench: An aspheric condenser lens, an achromatic doublet lens, and a diaphragm are used to get back the scattered pattern on a semi-transparent plate.