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anastigmat

[uh-nas-tig-mat, an-uh-stig-mat]
noun Optics.
  1. a compound lens corrected for the aberrations of astigmatism and curvature of field.
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Origin of anastigmat

1885–90; < German, back formation from anastigmatisch anastigmatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for anastigmat

Historical Examples of anastigmat

  • For those, however, who wish even greater efficiency and capabilities, we supply the anastigmat lens equipments.

    Kodaks and Kodak Supplies, 1914

    Canadian Kodak Company

  • This makes a most desirable outfit at a surprisingly low price for an anastigmat equipment.

    Kodaks and Kodak Supplies, 1914

    Canadian Kodak Company


British Dictionary definitions for anastigmat

anastigmat

noun
  1. a lens or system of lenses designed to be free of astigmatism
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Word Origin for anastigmat

C19 from an- + astigmatic
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