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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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    Astro-Tech AT115EDT f/7 ED Triplet Refractor OTA

    Astro-Tech
    In Stock

    The Astro-Tech AT115EDT 4.53" f/7 ED triplet apochromatic refractor offers more performance and features than similarly-priced smaller aperture com...

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    $1,599.00
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    $2,199.00
    $2,199.00 - $2,199.00
    $2,199.00

    Astro-Tech AT130 EDT f/7 ED Triplet OTA

    Astro-Tech
    In Stock

    Some observers feel that the Astro-Tech AT130EDT 5.12" f/7 ED triplet apochromatic refractor compares favorably in performance to scopes nearly fou...

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    $2,199.00 - $2,199.00
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    $2,199.00
  • $1,849.00 - $1,849.00
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    $1,849.00

    Astro-Tech AT125EDL Refractor OTA FCD-100 and Lanthanum f/7.8 Doublet

    Astro-Tech
    In Stock

    The Astro-Tech AT125EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...

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    $1,849.00 - $1,849.00
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    $1,849.00
  • $2,995.00 - $2,995.00
    $2,995.00
    $2,995.00 - $2,995.00
    $2,995.00

    Astro-Tech AT150EDL Refractor OTA FCD-100 and Lanthanum f/8 Doublet with Hard Case

    Astro-Tech
    In Stock

    The Astro-Tech AT150EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...

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    $2,995.00 - $2,995.00
    $2,995.00
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    $2,995.00
  • $3,195.00 - $3,195.00
    $3,195.00
    $3,195.00 - $3,195.00
    $3,195.00

    Astro-Tech AT130EDX f/7 FCD100 ED Triplet APO

    Astro-Tech
    In Stock

    The AT130EDX is the next evolution of instruments from Astro-Tech. The instrument quality is what you come to expect from an Astro-Tech with an eye...

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    $3,195.00 - $3,195.00
    $3,195.00
    $3,195.00 - $3,195.00
    $3,195.00
  • 10" f/4 carbon fiber truss-tube imaging Newtonian
    $1,795.00 - $1,795.00
    $1,795.00
    $1,795.00 - $1,795.00
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    Astro-Tech 10" f/4 Carbon Fiber Truss-Tube Imaging Newtonian

    Astro-Tech
    More on the way

    For serious deep space astrophotographers, this Sky & Telescope 2016 Hot Product 10" Astro-Tech AT10INT carbon fiber truss tube imaging Newtoni...

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    $1,795.00 - $1,795.00
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    $1,795.00
  • $2,499.00 - $2,499.00
    $2,499.00
    $2,499.00 - $2,499.00
    $2,499.00

    Astro-Tech AT126EDQ f/7 Quad Refractor

    Astro-Tech
    More on the way

    This Astro-Tech AT126EDQ ED refractor has: • 126mm f/7 fully multicoated four-lens/two-group refractor• two ED lens elements• amazing flat field as...

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    $2,499.00 - $2,499.00
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    $2,499.00

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