anastigmat

an·as·tig·mat

A0282500 (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]

Thesaurus

Noun

1.

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