Refracting telescope, lens telescope, telescope observatory of Pulkowa
RMID:Image ID:BGY22B
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Contributor:
bilwissedition Ltd. & Co. KG / Alamy Stock PhotoImage ID:
BGY22BFile size:
49.4 MB (4.7 MB Compressed download)Releases:
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3322 x 5200 px | 28.1 x 44 cm | 11.1 x 17.3 inches | 300dpiLocation:
GermanyPhotographer:
bilwisseditionMore information:
Big refractor, lens telescope, telescope of the observatory in Pulkowa, about 1900, big 30 inch refractor, lens telescope, telescope of the Russian observatory in Pulkowa near St. Petersburg, objective, from Alvan Clark in Cambridge port (United States) made, has a free opening of 762 mms and a focal length of 14.12 m. Lens telescope, telescope with which the occurring light is collected by one or several lenses and is bundled up in a focal plane.