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Definition of eyepiece
: the lens or combination of lenses at the eye end of an optical instrument
From the M-W Editors
Recent Examples of eyepiece from the Web
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Leaving the front lens unfiltered will simply focus all of the light on the eyepiece lens, burn the filter there and risk your eyes.
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Don't make the simple mistake of looking through an unfiltered eyepiece.
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But Hobbs likes watching the action on a color monitor rather than through the eyepiece of a traditional camera.
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According to Marvel, the Death Star's walls are alternately pink or baby blue, and Darth Vader's armor is actually blue with the eyepieces of his helmet occasionally bright red.
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The eyepiece, mounted on the wearer's helmet, projects data over the wearer's field of view not unlike the heads-up display available to fighter pilots.
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Approaching @EverydayAfrica with misaligned expectations is disconcerting, much like looking through a telescope from the objective lens instead of the eyepiece.
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Acer’s device concentrates the weight a bit more in the eyepiece, and its single restraining strap was awkward to buckle.
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The red planet will appear just over one degree above the cluster—equal to only two full moon disks—so both targets will fit easily within the field of view of a low-power eyepiece.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'eyepiece'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of eyepiece
1729
EYEPIECE Defined for English Language Learners
eyepiece
playDefinition of eyepiece for English Language Learners
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: the part of a telescope or microscope that you look through
EYEPIECE Defined for Kids
eyepiece
playDefinition of eyepiece for Students
: the lens or combination of lenses at the eye end of an optical instrument (as a microscope or telescope)
Medical Dictionary
eyepiece
playMedical Definition of eyepiece
: the lens or combination of lenses at the eye end of an optical instrument—called also ocular
Illustration of eyepiece
Learn More about eyepiece
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See words that rhyme with eyepiece Spanish Central: Translation of eyepiece Nglish: Translation of eyepiece for Spanish speakers Britannica English: Translation of eyepiece for Arabic speakers Britannica.com: Encyclopedia article about eyepiece
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