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  2. List of largest optical refracting telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_optical...

    List of largest optical refracting telescopes. The Grande Coupole for the double refractor of Meudon, with roughly 83 cm (33 in) and 62 cm (24 in) aperture lenses on the same mounting, and making its debut in 1891. Refracting telescopes use a lens to focus light. The Swedish 1-m Solar Telescope, with a lens diameter of 43 inches, is technically ...

  3. Refracting telescope - Wikipedia

    en.wikipedia.org/wiki/Refracting_telescope

    Refracting telescope. A 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 spyglasses and astronomical telescopes but is also used for long-focus camera lenses.

  4. James Lick telescope - Wikipedia

    en.wikipedia.org/wiki/James_Lick_telescope

    The James Lick Telescope is a refracting telescope built in 1888. It has a lens, which is 91 centimetres (36 in) in diameter—a major achievement in its day. The instrument remains in operation and public viewing is allowed on a limited basis. Also called the "Great Lick Refractor" or simply "Lick Refractor", it was the largest refracting ...

  5. Bamberg-Refraktor - Wikipedia

    en.wikipedia.org/wiki/Bamberg-Refraktor

    Bamberg-Refraktor. The Bamberg-Refraktor is a large telescope. The refracting telescope has an aperture of 320 millimetres, a focal length of five metres and is located in the Wilhelm Foerster Observatory in the Berlin district of Schöneberg. The name "Bamberg" goes back to the builder of the telescope, Carl Bamberg (* 12.

  6. Great refractor - Wikipedia

    en.wikipedia.org/wiki/Great_refractor

    Great refractor refers to a large telescope with a lens, usually the largest refractor at an observatory with an equatorial mount. The preeminence and success of this style in observational astronomy defines an era in modern telescopy [1] in the 19th and early 20th century. [1] Great refractors were large refracting telescopes using achromatic ...

  7. List of large optical telescopes - Wikipedia

    en.wikipedia.org/wiki/List_of_large_optical...

    This is a list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes . This list combines large or expensive reflecting telescopes from any era, as what constitutes famous reflector has changed over time.