primary mirror

collocation in English

meaningsofprimaryandmirror

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withmirror.
primary
adjective
uk
/ˈpraɪ.mər.i/us
/ˈpraɪ.mer.i/
more important than anything ...
See more atprimary
mirror
noun
uk
/ˈmɪr.ər/us
/ˈmɪr.ɚ/
a piece of glass with a shiny, metal-covered back that reflects light, producing an image of whatever is in front ...
See more atmirror

(Definition ofprimaryandmirrorfrom theCambridge English Dictionary© Cambridge University Press)

Examplesofprimary mirror

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
All lens andprimarymirrorsurfaces are spheroidal which eases construction.
From
Wikipedia
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Theprimarymirroris a concave hyperboloid with 4.1 m diameter and about f/1 focal ratio.
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The auxiliary building includes facilities to wash, strip, and coat theprimarymirror.
From
Wikipedia
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Theprimarymirroritself is 126 in diameter, but only the center 118 is used.
From
Wikipedia
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A telescope with a 150mmprimarymirroris required to resolve the stars within this irregularly shaped cluster.
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Wikipedia
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A paraboloidal shape is precisely the shape needed for theprimarymirrorof a telescope.
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Itsprimarymirroris segmented with 1020 annular submirrors arranged in 17 concentric annuli.
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Wikipedia
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His telescope had itsprimarymirroradjusted at an angle of four degrees to the telescope's axis.
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It has a 70 cm diameterprimarymirrorand a focal length of 46 m.
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Upon further examination, coolant from the top unit was found to have leaked over theprimarymirrorand other parts of the telescope.
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A cylindrical hole would quickly block light passing through the flat from theprimarymirroras the steering flat tilt angle increases.
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The diameter of theprimarymirrorshould be larger than the aperture set by the corrector to avoid vignetting.
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The distinctive diagonal shaft continues underground, where the telescope'sprimarymirroris located.
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Wikipedia
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This meant that the telescope had to be relatively small, with a 45 cmprimarymirror, and a total weight of 312 kg.
From
Wikipedia
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The architectures are a telescope with a monolithicprimarymirrorand two variations of a telescope with a large segmentedprimarymirror.
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In the non-compact, the corrector plate remains at or near the center of curvature (twice the focal length) of theprimarymirror.
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Wikipedia
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It has a 4 clear-inch (105mm) diameter f/4.2 aluminized and overcoated borosilicate glass parabolicprimarymirrorwith a focal length of 17 inches (445mm).
From
Wikipedia
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In the compact form, the corrector plate is located at or near the focus of theprimarymirror.
From
Wikipedia
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Non-compact designs keep the corrector at the center of curvature of theprimarymirror.
From
Wikipedia
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The largest current ground-based telescopes have aprimarymirrorof between 6 and 11 meters in diameter.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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See other collocations withmirror