anastigmat


Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.

an·as·tig·mat

 (ăn-ăs′tĭg-măt′)
n.
An anastigmatic lens.

anastigmat

(æˈnæstɪɡˌmæt; ˌænəˈstɪɡmæt)
n
(General Physics) a lens or system of lenses designed to be free of astigmatism
[C19 from an- + astigmatic]

an•as•tig•mat

(əˈnæs tɪgˌmæt, ˌæn əˈstɪg mæt)

n.
an anastigmatic lens.
[1885–90; < German, anastigmatisch anastigmatic]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anastigmat - compound lens or lens system designed to be free of astigmatism and able to form approximately point imagesanastigmat - compound lens or lens system designed to be free of astigmatism and able to form approximately point images
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
Mentioned in ?
References in periodicals archive ?
Volume I, subtitled "Basic Design Theory and Its Historical Development," is concerned with the optical design of virtually every conceivable reflecting telescope, from the simplest Newtonian to the most elaborate anastigmat containing numerous mirrors.