what is the difference between Newtonian telescope and cassegrain telescope???????
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The Newtonian telescope is a kind of reflecting telescope that uses a diagonal mirror to reflect light out the side of the telescope. A Cassegrain telescope is a kind of reflecting telescope where a secondary mirror reflects light back through a hole in the primary mirror's center.
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Different Kinds of Traditional Reflecting Telescopes - Video ... Larger reflecting telescopes use something known as a Cassegrain focus. A Cassegrain telescope is a kind of reflecting telescope where a secondary mirror reflects light back through a hole in the primary mirror's center. ... So, the big difference between the Cassegrain and Newtonian telescope should be quite obvious.
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