Catadioptric Telescopes

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    Celestron
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    Celestron
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    Takahashi
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    Planewave
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    Planewave
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    Planewave
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    Planewave
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  • Planewave
    Planewave
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  • Planewave
    Planewave
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  • Celestron
    Celestron
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  • Celestron
    Celestron
    $4,599
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A catadioptric optical system is one that employs both lenses and mirrors to focus the image.  Perhaps the most popular catadioptric among amateur astronomers, the Schmidt-Cassegrain Telescope (or SCT) uses a combination of spherical primary and secondary mirrors, along with a corrector plate (lens) that helps correct for aberrations.  You’ll spend a little more money on this design because it’s more complex to build than a reflector, but the combo of aperture and transportability is hard to resist.

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