Galilean telescope
a refracting telescope that forms an erect image, consisting of an objective of relatively long focal length that causes light rays to converge and an eyepiece of short focal length that causes them to diverge.
Origin of Galilean telescope
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use Galilean telescope in a sentence
But this is not the only objection to the Galilean telescope.
Half-hours with the Telescope | Richard A. ProctorIn the Galilean telescope a small concave eye-glass, ab (fig. 2), is placed between the object-glass and the image.
Half-hours with the Telescope | Richard A. Proctor
British Dictionary definitions for Galilean telescope
/ (ˌɡælɪˈleɪən) /
a type of telescope with a convex objective lens and a concave eyepiece; it produces an erect image and is suitable for terrestrial use
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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