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2. List of large optical telescopes - Wikipedia

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

   Spacewatch 1.8-meter Telescope [35] 1.80 m: 71″ Single: USA: Kitt Peak National Observatory, Arizona, USA: 2001 1.8m Ritchey Cretien reflector [36] 1.80 m: 72″ Single: Korea: Bohyunsan Optical Astronomy Observatory, Korea: 1996 Sandy Cross Telescope [37] 1.80 m: 71″ Single: Canada: Rothney Astrophysical Observatory, Alberta, Canada: 1996 ...

3. List of largest optical refracting telescopes - Wikipedia

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

   The Swedish 1-m Solar Telescope, with a lens diameter of 43 inches, is technically the largest, with 39 inches clear for the aperture.The second largest refracting telescope in the world is the Yerkes Observatory 40 inch (102 cm) refractor, used for astronomical and scientific observation for over a century.

4. List of largest optical reflecting telescopes - Wikipedia

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

   This list of the largest optical reflecting telescopes with objective diameters of 3.0 metres (120 in) or greater is sorted by aperture, which is a measure of the light-gathering power and resolution of a reflecting telescope. The mirrors themselves can be larger than the aperture, and some telescopes may use aperture synthesis through ...

5. List of the largest optical telescopes in North America

   en.wikipedia.org/wiki/List_of_the_largest...

   Hooker Telescope Mount Wilson Obs. 100 inch 254 cm 1917 USA: McDonald Obs. 82 inch i.e. Otto Struve Telescope: 82 inch 208 cm 1939 USA: David Dunlap Observatory: 74 inch 188 cm 1935 Canada: Plaskett telescope Dominion Astrophysical Obs. 72 inch 182 cm 1918 Canada: 69-inch Perkins Telescope [10] Perkins Observatory: 69 inch 175 cm: 1931–1964 USA

6. Meade LX200 - Wikipedia

   en.wikipedia.org/wiki/Meade_LX200

   The Meade LX200 is a family of commercial telescopes produced by Meade Instruments launched in 1992 with 8" (20.32 cm) and a 10" (25.4 cm) Schmidt–Cassegrain models on computerized altazimuth mounts. [1] [2] Two larger models, a 12" (30.48 cm) and a 16" (40.64 cm), quickly followed.

7. List of largest optical telescopes in the British Isles

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

   13-inch Astrographic Refractor (1890) Merz 12.8-inch Visual Refractor (1859-1893) (this was replaced by the 28 inch Grubb in the onion dome) Thomson 9-inch Photographic Refractor (c.1888) Sheepshanks refractor 6.7-inch (1838) (aka Sheepshanks Equatorial) 6-inch Franklin Adams Camera (1898) Shuckburgh telescope a 4.1-inch aperture Refractor (1791)