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anastigmatic

[an-uh-stig-mat-ik, a-nas-tig-]
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adjective Optics.
  1. (of a lens) not having astigmatism; forming point images of a point object located off the axis of the lens; stigmatic.
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Origin of anastigmatic

First recorded in 1885–90; an-1 + astigmatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for anastigmatic

anastigmatic

adjective
  1. (of a lens or optical device) not astigmaticAlso: stigˈmatic
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012