lens vs anastigmat

anastigmat vs lens

lens and anastigmat both are nouns.

Word	Noun	Adjective	Verb	Adverb
lens	Yes	No	No	No
anastigmat	Yes	No	No	No

As nouns, anastigmat is a hyponym of lens; that is, anastigmat is a word with a more specific, narrower meaning than lens:

lens: a transparent optical device used to converge or diverge transmitted light and to form images
anastigmat: compound lens or lens system designed to be free of astigmatism and able to form approximately point images

Other hyponyms of lens include anastigmatic lens, camera lens, optical lens, compound lens, condenser, optical condenser, contact, contact lens, converging lens, convex lens, crown lens, concave lens, diverging lens, eyepiece, ocular, field lens, Fresnel lens, intraocular lens, meniscus, eyeglass, monocle, object glass, object lens, objective, objective lens.

lens (noun)	anastigmat (noun)
a transparent optical device used to converge or diverge transmitted light and to form images	compound lens or lens system designed to be free of astigmatism and able to form approximately point images
electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons
biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focus light on the retina
(metaphor) a channel through which something can be seen or understood

Difference between lens and anastigmat

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