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anastigmat

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an·as·tig·mat  (n-stg-mt)
n.
An anastigmatic lens.
anastigmat [æˈnæstɪgˌmæt ˌænəˈstɪgmæt]
n
(Physics / General Physics) a lens or system of lenses designed to be free of astigmatism
ThesaurusLegend:  Synonyms Related Words Antonyms
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
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Another break-through in lens design was development of the anastigmat lens which provides good resolution in any direction at right angles to the lens axis.
Historically speaking by Patti, Tony / PSA Journal
 
 
 
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