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单词 Huygens eyepiece
释义

Definition of Huygens eyepiece in English:

Huygens eyepiece

noun
Optics
  • A simple eyepiece consisting of two separate planoconvex lenses, used chiefly in refracting telescopes of long focal length.

    Example sentencesExamples
    • This is a variation on the Huygens eyepiece, and has a two piece achromatised eye lens.
    • These are better than Huygens eyepieces, but not by much.
    • A few minutes of adjusting the tripod and selecting from my wide assortment of Huygens eyepieces, I had the projection system set up.
    • The binocular or optional trinocular viewing head is equipped with several Huygens eyepieces and can be rotated to any position and secured with a lock screw.
    • The Ramsden eyepiece is essentially a Huygens eyepiece with the bottom lens element reversed.
 
 
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更新时间:2025/2/25 4:36:23