eyepiece
Noun
Meaning
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.
Source: Webster's dictionarySynonyms
Antonyms
Hypernyms
Phrases with the word
Examples
Almost all SLR cameras use a front surfaced mirror in the optical path to direct the light from the lens via a viewing screen and pentaprism to the eyepiece.
Because the magnification of a telescope is equal to the focal length of the objective divided by the focal length of the eyepiece, smaller focal-length eyepieces cause greater magnification.
A right-angle finder is available that slips onto the eyepiece of most SLRs and D-SLRs and allows viewing through a waist-level viewfinder.
In the eyepiece, it is a small galaxy of magnitude 10 with dimensions of 5 arcminutes by 2 arcminutes and a bright nucleus.sfn NGC 4945 is a spiral galaxy seen edge-on from Earth, 13 million light-years away.
Each drone received an electronic eyepiece.
Games are viewed through a binocular eyepiece and controlled using an affixed gamepad.