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anastigmat

[ uh-nas-tig-mat, an-uh-stig-mat ]
/ əˈnæs tɪgˌmæt, ˌæn əˈstɪg mæt /
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noun Optics.

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 anastigmatischanastigmatic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use anastigmat in a sentence

  • 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
  • This lens has been specially designed for this particular use by the makers of the well-known Cooke Anastigmat lenses.

    Premo Cameras, 1914.|Canadian Kodak Company
  • The "double anastigmat" of Goerz of Berlin was put on the market in 1893.

British Dictionary definitions for anastigmat

anastigmat
/ (æˈnæstɪɡˌmæt, ˌænəˈstɪɡmæt) /

noun

a lens or system of lenses designed to be free of astigmatism

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
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