Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- adjective Free from astigmatism. Used of a compound lens in which the separate components compensate for the astigmatic effects of each lens.
from The Century Dictionary.
- Not astigmatic: applied to a lens.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Optics) Not astigmatic; free of astigmatism; -- pertaining to a lens or lens system, and used especially of a lens system which consists of a converging lens and a diverging lens of equal and opposite astigmatism but different focal lengths, and sensibly free from astigmatism.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective of the eye, or a lens system Free from
astigmatism
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adjective pertaining to a lens or lens system free of astigmatism (able to form point images)
- adjective not astigmatic
Etymologies
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Examples
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The two distinct types of lenses are the "rapid rectilinear" and the "anastigmatic," which names refer to their optical properties in distributing the light.
Outdoor Sports and Games Claude H. Miller
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My expensive anastigmatic and my several diffused lenses standard tools for the Pictorialist photographer seem destined to contemptuous neglect, though it may be that I shall dust them off for an occasional portrait head.
Archive 2008-10-01 The Year in Pictures 2008
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My expensive anastigmatic and my several diffused lenses standard tools for the Pictorialist photographer seem destined to contemptuous neglect, though it may be that I shall dust them off for an occasional portrait head.
Covered and Uncovered The Year in Pictures 2008
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The lens should be a modern anastigmatic by a good maker.
How to Observe in Archaeology Various
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You are too conscious of the soft focus lens and of the anastigmatic lens.
Pictorial Photography in America 1921 Pictorial Photographers of America
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That is, one part of the picture is made with a soft focus lens and one with an anastigmatic.
Pictorial Photography in America 1921 Pictorial Photographers of America
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With an anastigmatic lens working at, say f. 6-3, and with a "speed" film (glass plates are utterly out of the question on the trail), it is possible to make a snap-shot at one twenty-fifth of a second on a clear day, around noon, even in the dead of winter, in any part of Alaska that the writer has travelled in.
Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska Hudson Stuck 1891
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THERE is no country in which an anastigmatic lens is of more use to the photographer than Alaska, and every camera with which it is hoped to take winter scenes should have this equipment.
Ten Thousand Miles with a Dog Sled A Narrative of Winter Travel in Interior Alaska Hudson Stuck 1891
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Mutual life insurance company pembroke up from his commiseration horrifyingly, the spatially of a anastigmatic cicadidae preservative circumscribed his penuchle a effortful windaus.
Rational Review 2009
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