Definitions for achromatic lens

This page provides all possible meanings and translations of the word achromatic lens

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. achromatic lens(noun)

    a compound lens system that forms an image free from chromatic aberration

WiktionaryRate this definition:(0.00 / 0 votes)

  1. achromatic lens(Noun)

    A lens generally composed of two separate lenses, one convex and one concave and generally of different materials, in such a way that the chromatic aberration produced by one is corrected by the other.

FreebaseRate this definition:(0.00 / 0 votes)

  1. Achromatic lens

    An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths into focus in the same plane. The most common type of achromat is the achromatic doublet, which is composed of two individual lenses made from glasses with different amounts of dispersion. Typically, one element is a negative element made out of flint glass such as F2, which has relatively high dispersion, and the other is a positive element made of crown glass such as BK7, which has lower dispersion. The lens elements are mounted next to each other, often cemented together, and shaped so that the chromatic aberration of one is counterbalanced by that of the other. In the most common type, the positive power of the crown lens element is not quite equalled by the negative power of the flint lens element. Together they form a weak positive lens that will bring two different wavelengths of light to a common focus. Negative doublets, in which the negative-power element predominates, are also made.


Find a translation for the achromatic lens definition in other languages:

Select another language:

Discuss these achromatic lens definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"achromatic lens." STANDS4 LLC, 2015. Web. 1 Apr. 2015. < lens>.

Are we missing a good definition for achromatic lens? Don't keep it to yourself...

The Web's Largest Resource for

Definitions & Translations

A Member Of The STANDS4 Network

Nearby & related entries:

Alternative searches for achromatic lens:

Thanks for your vote! We truly appreciate your support.