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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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  • $320.00 - $320.00
    $320.00
    $320.00 - $320.00
    $320.00

    Sky-Watcher Skymax 102 102mm f/12.75 Maksutov-Cassegrain Optical Tube S11510

    Sky-Watcher
    More on the way

    The Sky-Watcher 102mm Maksutov-Cassegrain is an inexpensive step up from a 90mm Mak. This compact optical powerhouse is capable of producing sharp,...

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    $320.00 - $320.00
    $320.00
    $320.00 - $320.00
    $320.00
  • $1,500.00 - $1,500.00
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00

    Sky-Watcher Skymax 180 180mm f/15 Maksutov-Cassegrain Optical Tube S11540

    Sky-Watcher
    More on the way

    The Sky-Watcher 180mm Maksutov-Cassegrain folded optical system comes close in optical performance to the best-known ultra-premium 7" Maksutov, but...

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    $1,500.00 - $1,500.00
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00
  • $550.00 - $550.00
    $550.00
    $550.00 - $550.00
    $550.00

    Sky-Watcher Skymax 127 f/11.8 Maksutov-Cassegrain Optical Tube

    Sky-Watcher
    In Stock

    The Sky-Watcher 127mm Maksutov-Cassegrain folded optical system is a compact optical powerhouse capable of producing sharp, high contrast images in...

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    $550.00 - $550.00
    $550.00
    $550.00 - $550.00
    $550.00
  • $880.00 - $880.00
    $880.00
    $880.00 - $880.00
    $880.00

    Sky-Watcher Skymax 150 150mm f/12 Maksutov-Cassegrain Optical Tube S11530

    Sky-Watcher
    In Stock

    The Sky-Watcher 150mm (5.9") Maksutov-Cassegrain folded optical system is a compact optical powerhouse capable of producing sharp, high contrast im...

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    $880.00 - $880.00
    $880.00
    $880.00 - $880.00
    $880.00
  • $2,140.00 - $2,140.00
    $2,140.00
    $2,140.00 - $2,140.00
    $2,140.00

    Sky-Watcher Starlux 190 Maksutov-Newtonian f/5.3 Optical Tube

    Sky-Watcher
    In Stock

    The Sky-Watcher f/5.3 190mm Maksutov-Newtonian optical system is a quality fast focal ratio performer that excels at deep space imaging and viewing...

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    $2,140.00 - $2,140.00
    $2,140.00
    $2,140.00 - $2,140.00
    $2,140.00

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