A refracting or refractor telescope is a type of optical telescope that uses a lens as its objective to form an image (also referred to a dioptric telescope). The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used for long focus camera lenses. Although large refracting telescopes were very p...
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http://en.wikipedia.org/wiki/Refracting_telescope
(from the article `telescope`) Commonly known as refractors, telescopes of this kind are used to examine the visible-light region of the electromagnetic spectrum. Typical uses ... British maker of optical and astronomical instruments who developed an achromatic (non-colour-distorting) refracting telescope and a practical ... Optical ...
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http://www.britannica.com/eb/a-z/r/26
A small refracting telescope Credit: star-optics.com A telescope that uses a lens or system of lenses to gather light from a distant object and bring it to a focus. The biggest drawbacks of such an instrument is chromatic aberration, which degrades the sharpness and accuracy of the image by effe...
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http://www.daviddarling.info/encyclopedia/R/refractor.html
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n] - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
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http://www.webdictionary.co.uk/definition.php?query=refracting%20telescope
A type of telescope using a lens as the objective. See also: Reflecting Telescope, Telescope.
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https://www.encyclo.co.uk/local/20687
noun optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
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https://www.encyclo.co.uk/local/20974
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