www.usno.navy.mil/USNO/about-us/the-26-inch-refractorCachedSimilarThe USNO 26-inch "Great Equatorial" refracting telescope is located on the

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https://en.wikipedia.org/wiki/Refracting_telescopeCachedSimilarA refracting telescope (also called a refractor) 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.

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www.dummies.com/. /reflecting-vs-refracting-stargazing-telescopes/CachedReflecting telescopes use mirrors to gather the light. Refracting telescopes use

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https://www.britannica.com/science/refracting-telescopeCachedCommonly known as refractors, telescopes of this kind are typically used to

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www.softschools.com/facts/space/refracting_telescope_facts/432/CachedSimilarA refracting telescope, or refractor, is one that uses lenses to produce an image.

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www.dictionary.com/browse/refracting-telescopeCachedan optical instrument for making distant objects appear larger and therefore

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https://lco.global/spacebook/refracting-telescopes/CachedHow Refraction WorksLight travels through a vacuum at its maximum speed of

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www.stormthecastle.com/telescopes/what-is-a-refractor-telescope.htmCachedSimilarA basic description of the refractor telescope, how it works and its major parts.

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https://www.optcorp.com/telescopes/refractor-telescopes.htmlCachedA refractor telescope is a type of optical telescope which is also referred to as a refracting telescope. Its curved primary (or largest) lens gathers light, bends it, and sends it back to a focal point where it is further modified by the use of another set of lenses called the eyepiece.

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https://www.cfa.harvard.edu/hco/grref.htmlCachedSimilarThis 15-inch telescope known as "The Great Refractor" was installed at

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