orthoscopic eyepiece


orthoscopic eyepiece

(or-thŏ-skop -ik) See eyepiece.

orthoscopic eyepiece

[¦ȯr·thə¦skäp·ik ′ī‚pēs] (optics) An eyepiece that consists of a single lens, made up of three cemented elements, to which a planoconvex lens is added; designed to minimize distortion and spherical aberration.