eyepiece

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eye·piece

 (ī′pēs′)
n.
The lens or lens group closest to the eye in an optical instrument; an ocular. Also called eyeglass.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

eyepiece

(ˈaɪˌpiːs)
n
(General Physics) the lens or combination of lenses in an optical instrument nearest the eye of the observer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

eye•piece

(ˈaɪˌpis)

n.
the lens or combination of lenses in an optical instrument through which the eye views the image formed by the objective lens or lenses; ocular.
[1780–90]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

eye·piece

(ī′pēs′)
The lens or group of lenses closest to the eye in an optical instrument such as a telescope.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.eyepiece - combination of lenses at the viewing end of optical instrumentseyepiece - combination of lenses at the viewing end of optical instruments
binoculars, field glasses, opera glasses - an optical instrument designed for simultaneous use by both eyes
lens, lens system, lense - a transparent optical device used to converge or diverge transmitted light and to form images
light microscope - microscope consisting of an optical instrument that magnifies the image of an object
optical telescope - an astronomical telescope designed to collect and record light from cosmic sources
graticule, reticle, reticule - a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
sights - an optical instrument for aiding the eye in aiming, as on a firearm or surveying instrument
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

eyepiece

[ˈaɪpiːs] Nocular m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

eyepiece

[ˈaɪpiːs] n [microscope, telescope] → oculaire meye shadow eye-shadow [ˈaɪʃædəʊ] nombre f à paupières
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

eye·piece

n. ocular.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Bloodied by scopes on rifles as mild-mannered as the .223, I could, out of spite, dismiss scope eyepieces as simply punishing but I'll take the high road.
Although eyepieces are typically sold as a set, these eyepieces are sold separately for convenience and ease of use.
Many companies from around the world have been working on holographic eyepieces for decades because holography has one huge benefit--it can manipulate light while being perfectly invisible, which is exactly what is needed in an eyepiece.
We use three eyepieces: a 40-mm eyepiece with a 68[degrees] AFOV and 14-mm eye relief, a 25-mm eyepiece with a 72[degrees] AFOV and 24-mm eye relief, and a 28-mm Plossl with a 45[degrees] AFOV and 24-mm eye relief.
Members should be aware that there is a problem with using standard camera lenses from the 1950s to the 1970s as eyepieces, as many contain radioactive thorium.
Available with 85mm or 65mm lenses for a wider field of view--and both models come complete with an EDG zoom eyepiece, and are compatible with a new series of interchangeable EDG fixed power eyepieces for custom viewing.
Extra-wide field 10x eyepieces are provided, with a 20x option available, and the 1x objective is built directly into the unit.
The new line is comprised of 20-60x85mm and 16-48x65mm models, and both are available with straight or angled EDG zoom eyepieces. High contrast and bright viewing come courtesy of the multicoated prisms and ED (Extra-low Dispersion) glass used in the lenses.
An excellent choice for any burgeoning explorer, it's equipped with a rotating eyepiece turret holding 25-, 15-, and 6-mm eyepieces, along with a removable 18-mm image erecting eyepiece and a power-doubling Barlow lens, giving eight magnification powers to select from.
A bayonet connection provides for rapid changing of eyepieces. Three eyepieces are offered for the scopes: 20x, 30x and 20-60x.
The LYNX(r) stereo-zoom microscope features one large viewing area (120X) rather than eyepieces. High-resolution stereo images can be achieved without experiencing the eye, neck and back strain associated with using eyepiece microscopes.