Eyepiece

['aɪpiːs] or ['aɪ'pis]

Definition

(noun.) combination of lenses at the viewing end of optical instruments.

Edited by Lizzie--From WordNet

Definition

(n.) The lens, or combination of lenses, at the eye end of a telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed.

Inputed by Hubert

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