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Astronomical telescope

a telescope having an objective with a long focal length and an eyepiece with a short focal length, usually used for observing celestial bodies.
Historical Examples

Kepler, in 1611, made the first astronomical telescope with two concave glasses.
Astronomical Myths John F. Blake

One word about the inversion of objects by the astronomical telescope.
Half-hours with the Telescope Richard A. Proctor

“For observation purposes an astronomical telescope is not of much use unless the movement of the earth is counteracted,” he said.
The Postmaster’s Daughter Louis Tracy

For firing, these mortars of course are pointed at a very high angle, almost like an astronomical telescope.
The Romance of War Inventions Thomas W. Corbin

It was almost the perfect place for an astronomical telescope.
Islands of Space John W Campbell

When an object is viewed through the type of astronomical telescope ordinarily in use, it is seen upside down.
Astronomy of To-day Cecil G. Dolmage

This is now called the astronomical telescope, and was first employed a little before the middle of the century.
Introduction to the Literature of Europe in the Fifteenth, Sixteenth, and Seventeenth Centuries, Vol. 2 Henry Hallam

any telescope designed and mounted for use in astronomy. Such telescopes usually form inverted images See Cassegrain telescope, Newtonian telescope, equatorial mounting


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