| anastigmatic | (adj) pertaining to a lens or lens system free of astigmatism (able to form point images), Syn. stigmatic |
| anastigmatic | (adj) not astigmatic, Syn. stigmatic, Ant. astigmatic |
| anastigmatic lens | (n) a lens designed to correct astigmatism |
| Anastigmatic | a. [ Pref. an-not + astigmatic. ] (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. [ Webster 1913 Suppl. + WordNet 1.5 ] |