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Published on Aug 7, 2015
July 10, 2015 - Short Course, Session 5: Optics and Telescopes * * by Tom Richardson. Tom will cover the principles of operation of the basic types of telescopes (refractors, reflectors, and catadioptrics), and the relative merits of each; suitable eyepieces and magnifications for observing different types of objects. He will also discuss equatorial and altazimuth mountings, and how to select a telescope.