Refractor Telescope Collection

Astronomer makes observations through a large refractor telescope
Inside the observatory, an astronomer makes observations with a large refractor telescope at the 3RF astronomy campus in Texas

An astronomer peers through a telescope at the Orion region of the sky through thin clouds near Crowell, Texas

A domed observatory, Crowell, Texas
A domed observatory is open for business as a refractor telescope surveys the heavens, Crowell, Texas

Refractor telescope, 1928
Refractor telescope in an observatory in Munich, Germany, 1928. This instrument was made by the Carl Zeiss company, a German optics business which made important advances in lens design

Artwork of refractor telescope that found Neptune
Refracting telescope. Artwork of the 23 centimetre (9-inch) Fraunhofer refractor telescope at Berlin Observatory, Germany, on 23 September 1846, the night that it was used to discover Neptune

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