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 ?
When I observed Deimos with my 8-inch scope, I used a 25-mm Orthoscopic eyepiece with a violet occulting filter and 3x Barlow, resulting in 240x.
In those cases I used a 7-mm orthoscopic eyepiece with opaque photography tape covering half of its tiny field stop, along with a 2x Barlow.
A good-quality Plossl or orthoscopic eyepiece works well for eyepiece projection.