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OTA

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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  • 8" EdgeHD optical tube, CGE/Losmandy dovertail
    $1,599.00 - $1,599.00
    $1,599.00
    $1,599.00 - $1,599.00
    $1,599.00

    Celestron 8" EdgeHD Optical Tube, CGE/Losmandy Dovetail

    Celestron
    In Stock

    The EdgeHD high definition flat field optics of this Celestron 8" EdgeHD optical tube make true astrographic-quality 8" optics truly affordable. Th...

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    $1,599.00 - $1,599.00
    $1,599.00
    $1,599.00 - $1,599.00
    $1,599.00
  • $2,999.00 - $2,999.00
    $2,999.00
    $2,999.00 - $2,999.00
    $2,999.00

    Celestron 9.25" EdgeHD Optical Tube, CGE/Losmandy Dovetail

    Celestron
    More on the way

    The EdgeHD high definition flat field optics of this Celestron 9.25" EdgeHD optical tube give you true astrographic-quality 9.25" optics with a def...

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    $2,999.00 - $2,999.00
    $2,999.00
    $2,999.00 - $2,999.00
    $2,999.00
  • 11" EdgeHD optical tube, CGE/Losmandy dovetail
    $4,399.00 - $4,399.00
    $4,399.00
    $4,399.00 - $4,399.00
    $4,399.00

    Celestron 11" EdgeHD Optical Tube, CGE/Losmandy Dovetail

    Celestron
    More on the way

    The EdgeHD high definition flat field optics of this Celestron 11" EdgeHD optical tube give you a true astrographic-quality big aperture 11" optica...

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    $4,399.00 - $4,399.00
    $4,399.00
    $4,399.00 - $4,399.00
    $4,399.00
  • $1,799.00 - $1,799.00
    $1,799.00
    $1,799.00 - $1,799.00
    $1,799.00

    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
  • $2,079.00 - $2,079.00
    $2,079.00
    $2,079.00 - $2,079.00
    $2,079.00

    Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8)

    Celestron
    More on the way

    Flat field free of optical aberrations like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor. Unlike the ...

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    $2,079.00 - $2,079.00
    $2,079.00
    $2,079.00 - $2,079.00
    $2,079.00
  • 6" F/8 achromatic doublet refractor optical tube, CG5/AVX dovetail
    $999.00 - $999.00
    $999.00
    $999.00 - $999.00
    $999.00

    Celestron 6" f/8 Achromatic Doublet Refractor Optical Tube, CG5/AVX Dovetail

    Celestron
    More on the way

    Here's a sensational value - a big 6" (150mm) achromatic refractor optical tube that's priced like other manufacturers' 80mm scopes.  This Celestro...

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    $999.00 - $999.00
    $999.00
    $999.00 - $999.00
    $999.00
  • 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
  • $7,499.00 - $7,499.00
    $7,499.00
    $7,499.00 - $7,499.00
    $7,499.00

    Celestron 14" EdgeHD Optical Tube, CGE/Losmandy Dovetail

    Celestron
    In Stock

    The Fastar-compatible EdgeHD high definition flat field optics of this big, big Celestron 14" EdgeHD optical tube give you true astrographic-qualit...

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    $7,499.00 - $7,499.00
    $7,499.00
    $7,499.00 - $7,499.00
    $7,499.00
  • $2,999.00 - $2,999.00
    $2,999.00
    $2,999.00 - $2,999.00
    $2,999.00

    Celestron 11" SCT Optical Tube, CGE/Losmandy Dovetail

    Celestron
    More on the way

    This 24" long aluminum Celestron 11" Schmidt Cassegrain optical tube weighs only 27.5 lbs., making it easy to transport. It has an 11" aperture, a ...

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    $2,999.00 - $2,999.00
    $2,999.00
    $2,999.00 - $2,999.00
    $2,999.00
  • $4,399.00 - $4,399.00
    $4,399.00
    $4,399.00 - $4,399.00
    $4,399.00

    Celestron 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) Version 2 Optical Tube

    Celestron
    In Stock

    The 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) - the next advance in deep space imaging - is available now for the serious astrophotographe...

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    $4,399.00 - $4,399.00
    $4,399.00
    $4,399.00 - $4,399.00
    $4,399.00
  • 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) optical tube
    $3,599.00 - $3,599.00
    $3,599.00
    $3,599.00 - $3,599.00
    $3,599.00

    Celestron 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) Optical Tube

    Celestron
    In Stock

    The 11" f/2.2 Rowe-Ackermann Schmidt Astrograph (RASA) - the next advance in deep space imaging - is available now for the serious astrophotographe...

    View full details
    $3,599.00 - $3,599.00
    $3,599.00
    $3,599.00 - $3,599.00
    $3,599.00
  • $2,499.00 - $2,499.00
    $2,499.00
    $2,499.00 - $2,499.00
    $2,499.00

    Celestron 8” Rowe-Ackermann Schmidt Astrograph (RASA 8) Imaging Kit

    Celestron
    In Stock

      Flat field free of optical aberrations like field curvature, coma, astigmatism and chromatic aberration across an entire APS-C sensor. Unlike th...

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    $2,499.00 - $2,499.00
    $2,499.00
    $2,499.00 - $2,499.00
    $2,499.00
  • $1,600.00 - $1,600.00
    $1,600.00
    $1,600.00 - $1,600.00
    $1,600.00

    Celestron 7" Maksutov Cassegrain OTA

    Celestron
    In Stock

    The 7" Maksutov Cassegrain is a fantastic instrument just begging to get out under the stars and bring its high contrast optics to your eye. The 7"...

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    $1,600.00 - $1,600.00
    $1,600.00
    $1,600.00 - $1,600.00
    $1,600.00
  • $13,999.00 - $13,999.00
    $13,999.00
    $13,999.00 - $13,999.00
    $13,999.00

    Celestron RASA 36 Rowe-Ackermann Schmidt Astrograph V2 OTA 91078

    Celestron
    More on the way

      Highlights A breakthrough 36 cm aperture, f/2.2 optical system designed for professional applications that require both a wide field of view and...

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    $13,999.00 - $13,999.00
    $13,999.00
    $13,999.00 - $13,999.00
    $13,999.00
  • $5,999.00 - $5,999.00
    $5,999.00
    $5,999.00 - $5,999.00
    $5,999.00

    Celestron 14" SCT Fastar-Compatible Optical Tube, CGE/Losmandy Dovetail

    Celestron
    More on the way

    There are state-of-the-art Starbright XLT multicoatings on the hand-figured 14" aperture SCT optics of this impressive optical tube, plus a Fastar-...

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    $5,999.00 - $5,999.00
    $5,999.00
    $5,999.00 - $5,999.00
    $5,999.00

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