Encyclopedia > List of largest optical refracting telescopes

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List of largest optical refracting telescopes

Here is a list of the largest optical refracting[?] telescopes sorted by lens diameter.




Observatory

Lens diameter

Focal length

Built

Comments

Yerkes Observatory
(Williams Bay, Wisconsin, USA)

1.02 m

19.4 m

1897

 

Lick Observatory
(Mount Hamilton, California[?], USA)

0.91 m

17.6 m

1888

 

Paris Observatory[?]
(Meudon, France[?])

0.83 m + 0,62 m

16.2 m

1891

 

Potsdam Observatory[?]
(Potsdam, Germany)

0.80 m

12.0 m

1899

 

Côte d'Azur Observatory
(Nice, France)

0.76 m

17.9 m

1887

 

Allegheny Observatory[?]
(Pittsburgh, Pennsylvania, USA)

0.76 m

14.1 m

1914

 

Royal Greenwich Observatory
(Greenwich, London, England)

0.71 m

8.5 m

1894

 

Vienna Observatory[?]
(Vienna, Austria)

0.69 m

10.5 m

1878

 

Berlin Observatory[?]
(Berlin, Germany)

0.68 m

21 m

1896

 

Johannesburg Observatory[?]
(Johannesburg, South Africa)

0.67 m

10.9 m

1925

 

McCormick Observatory[?]
(Mount Jefferson, Virginia[?], USA)

0.67 m

9.9 m

1883

 

Royal Greenwich Observatory
(Greenwich, London, England)

0.66 m

6.8 m

1897

 

U.S. Naval Observatory
(Washington, DC, USA)

0.66 m

9.9 m

1873

 

Mount Stromlo Observatory[?]
(Mount Stromlo, Australia[?])

0.66 m

10.8 m

1925

Previously located in South-Africa.
Relocated in Australia in 1952
Destroyed by bush fire on January 18, 2003



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