Webster's Revised Unabridged Dictionary · 1913

anastigmat

anastigmat , noun

1.

compound lens or lens system designed to be free of astigmatism and able to form approximately point images.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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