anastigmat: Meaning and Definition of

an•as•tig•mat

Pronunciation: (u-nas'tig-mat", an"u-stig'mat), [key]
— n. Optics.
  1. a compound lens corrected for the aberrations of astigmatism and curvature of field.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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