eyepiece

eye·piece  (ps)

n.

The lens or lens group closest to the eye in an optical instrument; an ocular. Also called eyeglass.

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eyepiece

Noun

the lens in a microscope, telescope, etc., into which the person using it looks

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eyepiece  (ps)

The lens or group of lenses closest to the eye in an optical instrument such as a telescope or microscope.

Thesaurus

Noun

1.

eyepiece - combination of lenses at the viewing end of optical instruments ocular 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