anastigmatic

Definitions of anastigmatic
  1. adjective
    not astigmatic
    synonyms: stigmatic
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    Antonyms:
    astigmatic
    of or relating to a defect in the eye or in a lens caused by a deviation from spherical curvature which prevents light rays from meeting at a common focus and so results in distorted images
  2. adjective
    pertaining to a lens or lens system free of astigmatism (able to form point images)
    synonyms: stigmatic
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