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.

anastigmat

/ æˈnæstɪɡˌmæt; ˌænəˈstɪɡmæt /

noun

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

Word History and Origins

Origin of anastigmat¹

1885–90; < German, back formation from anastigmatisch anastigmatic

Word History and Origins

Origin of anastigmat¹

C19 from an- + astigmatic

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg

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

From Project Gutenberg

The "double anastigmat" of Goerz of Berlin was put on the market in 1893.

From Project Gutenberg