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Showing results for anastigmatic. Search instead for tristigmatic.

anastigmatic

American  
[an-uh-stig-mat-ik, a-nas-tig-] / ˌæn ə stɪgˈmæt ɪk, æˌnæs tɪg- /

adjective

Optics.
  1. (of a lens) not having astigmatism; forming point images of a point object located off the axis of the lens; stigmatic.


anastigmatic British  
/ ˌænəstɪɡˈmætɪk /

adjective

  1. Also: stigˈmatic.  (of a lens or optical device) not 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

Etymology

Origin of anastigmatic

First recorded in 1885–90; an- 1 + astigmatic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For while Author Carson saw the sea as a poet might, with the inward eye, Director Irwin Allen sees it mostly through a very expensive anastigmatic lens.

From Time Magazine Archive

Systems in which the two astigmatic surfaces coincide are termed anastigmatic or stigmatic.

From The Project Gutenberg Encyclopedia Volume 1 of 28 by Project Gutenberg

The two distinct types of lenses are the "rapid rectilinear" and the "anastigmatic," which names refer to their optical properties in distributing the light.

From Outdoor Sports and Games by Miller, Claude H.

That is, one part of the picture is made with a soft focus lens and one with an anastigmatic.

From Pictorial Photography in America 1921 by Pictorial Photographers of America

The lens should be a modern anastigmatic by a good maker.

From How to Observe in Archaeology by Various

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