an·a·stig·mat·ic /ˌænə(ˌ)stɪgˈmætɪk, ˌæˌnæstɪg-/
(a.)無收差的
an·astig·mat·ic /ˌænə(ˌ)stɪgˈmætɪk, ˌænˌæstɪg-/ 形容詞
去像散的
An·as·tig·mat·ic a. Optics Not astigmatic; free of astigmatism; -- pertaining to a lens or lens system, and used especially of a lens system which consists of a converging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.
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anastigmatic
adj 1: pertaining to a lens or lens system free of astigmatism
(able to form point images) [syn: stigmatic]
2: not astigmatic [syn: stigmatic] [ant: astigmatic]