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refractor    音标拼音: [rəfr'æktɚ]
n. 折射媒体,折射望远镜,折射透镜

折射媒体,折射望远镜,折射透镜

Refractor \Re*fract"or\ (r?-fr?kt"?r), n.
Anything that refracts; specifically: (Opt.) A refracting
telescope, in which the image to be viewed is formed by the
refraction of light in passing through a convex lens.
[1913 Webster]


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  • Refracting telescope - Wikipedia
    A refracting telescope (also called a refractor or dioptric telescope) is a type of optical telescope that uses a lens as its objective to form an image The refracting telescope design was originally used in spyglasses and astronomical telescopes but is also used for long-focus camera lenses
  • REFRACTOR Definition Meaning - Merriam-Webster
    The meaning of REFRACTOR is a telescope whose principal focusing element is a lens
  • The Beginners Guide to Refractor Telescopes - High Point Scientific
    The basic way this works can be best illustrated with the below graphic The design for a refractor telescope was first conceived in 1610 by the famous Galileo Galilei, who made a very small telescope that was able to observe up to 30x more magnification than the human eye could see
  • What Is A Refractor Telescope?
    A refractor uses glass lenses to bend and focus light, while a reflector uses mirrors Refractors are low-maintenance and produce sharp images but are more expensive per inch of aperture
  • What Is a Refractor Telescope? An In-depth Explanation
    A refractor (also known as a refracting telescope) is a type of optical telescope that uses a collection of lenses to form an image, using light
  • Refractor Telescopes - High Point Scientific
    Refractor telescopes shine in many astronomical uses, from leisurely stargazing to highly professional astrophotography For observing planetary details, star clusters, and double stars, their capacity to produce high-resolution photographs qualifies them as perfect
  • Amazon. com: Telescope Refractors - Telescope Refractors Telescopes . . .
    Online shopping for Refractors - Telescopes from a great selection at Electronics Store
  • Virtual Refractor
    Virtual Refractor is an outstanding introduction to refraction for the new student, and also provides a useful refraction refresher for more experienced clinicians Students can practice refraction with the VR anytime, anywhere with an internet connection
  • Why Buy A Refractor? — Astronomics
    Under average seeing conditions, a useful rule of thumb in astronomy is that a good quality 3" to 4" refractor can often outperform an average quality 6" to 8" reflector or catadioptric telescope for seeing details on the Moon and planets, splitting binary stars, and resolving globular clusters





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