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What Is a Diopter? | Warby Parker
A diopter is the unit of measurement used for an eye prescription . The focusing strength of your glasses or contacts is measured in diopters. In other words, diopters measure how powerful your prescription is. A higher prescription will have larger numbers, whereas a milder prescription will have smaller numbers.
www.warbyparker.com
www.warbyparker.com
Dioptre - Wikipedia
A dioptre (British spelling) or diopter (American spelling), symbol dpt or D, is a unit of measurement with dimension of reciprocal length.
en.wikipedia.org
en.wikipedia.org
Optical diopters: Lens strength, meaning and more - All About Vision
A diopter is a unit used to calculate the focusing strength of a pair of glasses or contact lenses. And it is the measurement unit for an optical prescription.
www.allaboutvision.com
www.allaboutvision.com
diopter
diopter (daɪˈɒptə(r)) Also in Lat. form dioptra. [a. F. dioptre (1547 in Hatz.-Darm.), ad. L. dioptra, a. Gr. δίοπτρα an optical instrument for measuring heights, levelling, etc.; cf. also Gr. δίοπτρον spying-glass, f. δι-, δια- through + stem ὀπ- to see + instrumental suffix, -τρα, -τρον.] 1. An an...
Oxford English Dictionary
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What is a Diopter? - Visionworks
A diopter is a critical unit of measurement in optics that quantifies the refractive power of lenses used in eyeglasses and contact lenses.
www.visionworks.com
www.visionworks.com
Diopters | Schneider-Kreuznach
Diopters are lens attachments that shorten the close focus distance of lenses by reducing the focal length of the optical system.
schneiderkreuznach.com
schneiderkreuznach.com
Diopter (disambiguation)
In modern usage, diopter or dioptre is a measure of the refractive power of an optical system. Diopter may also refer to:
Historically, a dioptric lens
Any lens system, such as a telescope
A diopter sight
A close-up lens used in photography
A theodolite
wikipedia.org
en.wikipedia.org
DIOPTER | definition in the Cambridge English Dictionary
a unit of measurement of the power of a lens, used for measuring a person's eyesight. More than minus six diopters counts as severely myopic.
dictionary.cambridge.org
dictionary.cambridge.org
Understanding Diopters | What They Mean for Your Eyes
A diopter is a unit that measures the optical power of a lens, which focuses light to improve vision.
www.zennioptical.com
www.zennioptical.com
Diopter: Definition & Meaning | Glasses.Com®
A diopter is a unit of measure that refers to the optical power of a lens, describing the distance at which an object is brought into focus.
www.glasses.com
www.glasses.com
A Basic Guide to Diopters | SIGMA Blog
Diopters are, simply put, a magnifying glass for a camera lenses. They make an object bigger and decrease the minimal focus distance so you can get macro shots.
blog.sigmaphoto.com
blog.sigmaphoto.com
What is a DIOPTER? You NEED to know this! - YouTube
What is a DIOPTER? You NEED to know this! This is the one reason your images may be blurry! You need to fix this one thing and it can make ...
www.youtube.com
www.youtube.com
Diopter sight
Diopter rear sight
The diopter is in principle a vertically and horizontally (elevation and windage) adjustable occluder with a small hole (aperture), The small diopter viewing opening ensures the shooter's eye is very precisely and consistently centered behind the diopter sight.
wikipedia.org
en.wikipedia.org
dioptre
dioptre (daɪˈɒptə(r)) [The usual spelling in Great Britain of diopter in sense 5.] A unit for expressing the power of a lens, equal to the reciprocal of its focal length in metres.[1876 Compte-rendu: Congrès internat. des Sciences médicales 1875 (Brussels) 610 L'unité du système métrique, c'est le m...
Oxford English Dictionary
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