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
|