Anastigmatic meaning

ăn-ăstĭg-mătĭk
Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.
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Free from, or corrected for, astigmatism; specif., designating a compound lens made up of one converging and one diverging lens so that the astigmatism of one is neutralized by the equal and opposite astigmatism of the other.
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Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.
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(of the eye, or a lens system) Free from astigmatism.
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