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Title: When light from the concave primary mirror of a telescope is reflected by a small secondary mirror ... Post by: doit_the_clown on Mar 16, 2017 When light from the concave primary mirror of a telescope is reflected by a small secondary mirror through a hole in the primary to its focus, this is called the
A) Cassegrain focus. B) Newtonian focus. C) coudé focus. D) prime focus. Title: Re: When light from the concave primary mirror of a telescope is reflected by a small secondary ... Post by: discoverer on Mar 16, 2017 Content hidden
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