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.

eyepiece

(ˈaɪˌpiːs)
n
(General Physics) the lens or combination of lenses in an optical instrument nearest the eye of the observer

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]

eye·piece

(ī′pēs′)
The lens or group of lenses closest to the eye in an optical instrument such as a telescope.
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
Translations

eyepiece

[ˈaɪpiːs] Nocular m

eyepiece

[ˈaɪpiːs] n [microscope, telescope] → oculaire meye shadow eye-shadow [ˈaɪʃædəʊ] nombre f à paupières

eye·piece

n. ocular.
References in periodicals archive ?
Although eyepieces are typically sold as a set, these eyepieces are sold separately for convenience and ease of use.
Discerning all of the planetary details that a telescope's optics and the state of the atmosphere allow demands eyepieces that have high light transmission and freedom from ghost images, internal reflections, and scattered light.
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.
I recommend eyepieces with an AFOV greater than 60[degrees] and eye relief that's greater than 12 or 13 mm.
Total quantity or scope: The documents specified in the purchase eyepieces.
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.
The Plus series is available with 60mm or 80mm objective lens, 15-45x or 20-60x and straight or 45~degree angled eyepieces.
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.
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.
For almost all of our normal work 20-30x is plenty and fixed power eyepieces are also available.