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more about anastigmatic
anastigmatic |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Anastigmatic \An*as`tig*mat"ic\, a. [Pref. an-not + astigmatic.] (Optics) Not astigmatic; -- said esp. 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. From WordNet r 1.6 [wn]: anastigmatic adj : pertaining to a lens or lens system free of astigmatism (able to form point images) [syn: {stigmatic}]
more about anastigmatic
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