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Schmidt Cassegrain Telescopes

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What is a Schmidt-Cassegrain telescope?

Schmidt Cassegrain Telescopes

In the Schmidt-Cassegrain telescope the light enters the scope through a thin Schmidt correcting lens, then strikes the primary mirror, then is reflected back up the tube and intercepted by a small secondary mirror which reflects the light out an opening in the rear of the instrument where the image is formed at the eyepiece. They are lighter than Maksutov-Cassegrain models and tend to be less expensive than the Maksutovs. Schmidt-Cassegrains are more popular for astrophotography.

   

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