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The optical tube is really the heart of your night time exploration.  Sizes range from 50mm to 20" in diameter as well as f/ratios from f/2.2 to f/15.  The optical designs range from simple doublet refractors to complex cassegrains with built-in field flatteners.  There is literally something for everyone here, you just have to decide what path you want to walk down.  We are always here to help with any questions you have.

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    Celestron 9.25" SCT Optical Tube, CGE/Losmandy Dovetail

    Celestron
    In Stock

    This 9.25" aperture optical tube gathers 33% more light than an 8" scope, providing brighter images of faint deep space objects. Its light-gatherin...

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    $1,799.00 - $1,799.00
    $1,799.00
    $1,799.00 - $1,799.00
    $1,799.00
  • 8" SCT optical tube, CGE/Losmandy dovetail
    $1,249.00 - $1,249.00
    $1,249.00
    $1,249.00 - $1,249.00
    $1,249.00

    Celestron 8" SCT Optical Tube, CGE/Losmandy Dovetail

    Celestron
    More on the way

    The Celestron C8 was the first Schmidt-Cassegrain telescope available to amateur astronomers. This 8" f/10 optical tube is the direct, but much imp...

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    $1,249.00 - $1,249.00
    $1,249.00
    $1,249.00 - $1,249.00
    $1,249.00
  • $839.95 - $839.95
    $839.95
    $839.95 - $839.95
    $839.95

    Celestron 6" SCT Optical Tube, CG5/AVX Dovetail

    Celestron
    More on the way

    This 6" SCT optical tube has advanced Starbright XLT multicoatings for Celestron's brightest images ever. The Celestron C8 was the first Schmidt-Ca...

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    $839.95 - $839.95
    $839.95
    $839.95 - $839.95
    $839.95

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