Skip to content
Trusted advice since 1979 Excellent 4.5 rating on Google Reviews Free Shipping On Orders Over $100

OTA

Filters

$
$
  • $519.00 - $519.00
    $519.00
    $519.00 - $519.00
    $519.00

    Astro-Tech AT72EDII Refractor OTA FPL-53 and Lanthanum f/6 Doublet

    Astro-Tech
    In Stock

    The Astro-Tech AT72EDII takes the performance, and mechanics, of the "product everyone should own" (thank you Astronomy Magazine) and gives it an u...

    View full details
    $519.00 - $519.00
    $519.00
    $519.00 - $519.00
    $519.00
  • $419.00 - $419.00
    $419.00
    $419.00 - $419.00
    $419.00

    Astro-Tech AT60ED 60mm f/6 FPL-53ED and Lanthanum Doublet

    Astro-Tech
    In Stock

    This Astro-Tech ED refractor has: 60mm f/6 fully multicoated FPL-53 and Lanthanum doublet refractor optics dual-speed Rack and Pinion 2” focuser w...

    View full details
    $419.00 - $419.00
    $419.00
    $419.00 - $419.00
    $419.00
  • $419.00 - $419.00
    $419.00
    $419.00 - $419.00
    $419.00

    Astro-Tech AT80ED 3.1" f/7 ED Refractor OTA

    Astro-Tech
    In Stock

    This Astro-Tech AT80ED refractor has: 80mm f/7 fully multicoated doublet optics using FK-61 ED glass dual-speed 2" Rack and Pinion rotatable focus...

    View full details
    $419.00 - $419.00
    $419.00
    $419.00 - $419.00
    $419.00
  • $649.00 - $649.00
    $649.00
    $649.00 - $649.00
    $649.00

    Astro-Tech AT102ED 4" f/7 ED Refractor OTA

    Astro-Tech
    In Stock

    The Astro-Tech AT102ED is a fantastic value and incredible performer. This Astro-Tech AT102ED refractor has: • 102mm f/7 fully multicoated doublet ...

    View full details
    $649.00 - $649.00
    $649.00
    $649.00 - $649.00
    $649.00
  • Save $200.00 Save $0.00
    $1,399.00
    $1,399.00 - $1,399.00
    $1,399.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    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...

    View full details
    $1,399.00
    $1,399.00 - $1,399.00
    $1,399.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
    Save $200.00 Save $0.00
  • Save $200.00 Save $0.00
    $849.00
    $849.00 - $849.00
    $849.00
    $649.00
    $649.00 - $649.00
    $649.00

    Astro-Tech AT80EDT f/6 ED Triplet Refractor OTA

    Astro-Tech
    In Stock

    For the backyard grab-and-go observer, for the Milky Way star field scanner, for the wide field imager, for the birder and terrestrial photographer...

    View full details
    $849.00
    $849.00 - $849.00
    $849.00
    $649.00
    $649.00 - $649.00
    $649.00
    Save $200.00 Save $0.00
  • $329.00 - $329.00
    $329.00
    $329.00 - $329.00
    $329.00

    Astro-Tech AT70ED 2.8" f/6 ED Refractor OTA

    Astro-Tech
    In Stock

    This Astro-Tech AT70ED refractor has: 70mm f/6 fully multicoated doublet optics using FK-61 ED glass dual-speed 2" Rack and Pinion focuser 2" and ...

    View full details
    $329.00 - $329.00
    $329.00
    $329.00 - $329.00
    $329.00
  • Save $300.00 Save $0.00
    $1,899.00
    $1,899.00 - $1,899.00
    $1,899.00
    $1,599.00
    $1,599.00 - $1,599.00
    $1,599.00

    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...

    View full details
    $1,899.00
    $1,899.00 - $1,899.00
    $1,899.00
    $1,599.00
    $1,599.00 - $1,599.00
    $1,599.00
    Save $300.00 Save $0.00
  • $139.95 - $139.95
    $139.95
    $139.95 - $139.95
    $139.95

    Astro-Tech 60mm Photoguide Refractor OTA

    Astro-Tech
    In Stock

    The new Astro-Tech AT60GS 60mm guidescope with upgraded helical focuser makes highly accurate autoguiding of deep space astrophotos affordable for ...

    View full details
    $139.95 - $139.95
    $139.95
    $139.95 - $139.95
    $139.95
  • $1,199.00 - $1,199.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00

    Astro-Tech AT102EDL Refractor OTA FCD-100 and Lanthanum f/7 Doublet

    Astro-Tech
    In Stock

    The Astro-Tech AT102EDL takes the performance of the it smaller siblings and combines it with the mechanics of the EDT line. This Astro-Tech ED ref...

    View full details
    $1,199.00 - $1,199.00
    $1,199.00
    $1,199.00 - $1,199.00
    $1,199.00
  • $1,849.00 - $1,849.00
    $1,849.00
    $1,849.00 - $1,849.00
    $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...

    View full details
    $1,849.00 - $1,849.00
    $1,849.00
    $1,849.00 - $1,849.00
    $1,849.00
  • $849.00 - $849.00
    $849.00
    $849.00 - $849.00
    $849.00

    Astro-Tech AT60EDP 60mm f/5 Dual ED Petzval OTA

    Astro-Tech
    In Stock

    This unique Astro-Tech apochromatic ED petzval fast focal ratio refractor has an incredible flat field for your astro-photography endeavors.  This ...

    View full details
    $849.00 - $849.00
    $849.00
    $849.00 - $849.00
    $849.00
  • $1,595.00 - $1,595.00
    $1,595.00
    $1,595.00 - $1,595.00
    $1,595.00

    Astro-Tech AT90CFT Limited Edition f/6 Triplet APO Refractor Carbon Fiber OTA

    Astro-Tech
    In Stock

      This Astro-Tech AT90CFT refractor has: • 90mm f/6 apochromatic triplet optics using an FCD-100 ED element• 2.5" dual-speed rotating rack and pini...

    View full details
    $1,595.00 - $1,595.00
    $1,595.00
    $1,595.00 - $1,595.00
    $1,595.00
  • AR152 6" f/6.5 achromatic doublet refractor optical tube
    $979.99 - $979.99
    $979.99
    $979.99 - $979.99
    $979.99

    Explore Scientific AR152 6" f/6.5 Achromatic Doublet Refractor Optical Tube

    Explore Scientific
    More on the way

    This 6" Explore Scientific AR152 achromatic refractor optical tube is a sensational value - a big 6" (152mm) and fast f/6.5 refractor that's priced...

    View full details
    $979.99 - $979.99
    $979.99
    $979.99 - $979.99
    $979.99
  • Astro-Tech 6" f/9 Ritchey-Chrétien astrograph
    Sold out
    $479.95 - $479.95
    $479.95
    $479.95 - $479.95
    $479.95

    Astro-Tech 6" f/9 Ritchey-Chrétien Astrograph

    Astro-Tech
    Sold Out

    The exceptional value 6" Astro-Tech Ritchey-Chrétien astrograph is once again available for the serious deep space astrophotographer on a budget . ...

    View full details
    $479.95 - $479.95
    $479.95
    $479.95 - $479.95
    $479.95
    Sold out
  • 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
    More on the way

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

    View full details
    $1,599.00 - $1,599.00
    $1,599.00
    $1,599.00 - $1,599.00
    $1,599.00
  • Save $900.00 Save $0.00
    $4,395.00
    $4,395.00 - $4,395.00
    $4,395.00
    $3,495.00
    $3,495.00 - $3,495.00
    $3,495.00

    Astro-Tech AT152EDT f/8 Triplet APO Refractor OTA

    Astro-Tech
    More on the way

    A true APO using FK61 and Lanthanum in a temperature compensated cell. This is a fantastic instrument. AT152EDT Triplet Apo Refrator Technical High...

    View full details
    $4,395.00
    $4,395.00 - $4,395.00
    $4,395.00
    $3,495.00
    $3,495.00 - $3,495.00
    $3,495.00
    Save $900.00 Save $0.00
  • $2,999.99 - $2,999.99
    $2,999.99
    $2,999.99 - $2,999.99
    $2,999.99

    Explore Scientific 127mm f/7.5 Carbon Fiber FCD100 ED Triplet Refractor

    Explore Scientific
    In Stock

    This big 127mm (5") Explore Scientific Carbon Fiber air-spaced ED triplet apochromatic refractor is loaded with quality optical performance at a su...

    View full details
    $2,999.99 - $2,999.99
    $2,999.99
    $2,999.99 - $2,999.99
    $2,999.99
  • $540.00 - $540.00
    $540.00
    $540.00 - $540.00
    $540.00

    Sky-Watcher Evostar 72mm f/5.8 ED Doublet Apochromatic Refractor

    Sky-Watcher
    In Stock

    The Evostar 72ED is a portable powerhouse. It is true that great things can come in a small package.. This Sky-Watcher Evostar 72ED apochromatic re...

    View full details
    $540.00 - $540.00
    $540.00
    $540.00 - $540.00
    $540.00
  • $3,210.00 - $3,210.00
    $3,210.00
    $3,210.00 - $3,210.00
    $3,210.00

    Sky-Watcher Esprit 100mm f/5.5 ED Apochromatic Triplet Refractor With Field Flattener S11410

    Sky-Watcher
    More on the way

    The Sky-Watcher Esprit 100mm ED apochromatic triplet refractor has the premium high contrast/high resolution/flat field optical performance you nee...

    View full details
    $3,210.00 - $3,210.00
    $3,210.00
    $3,210.00 - $3,210.00
    $3,210.00
  • $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
    In Stock

    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...

    View full details
    $2,999.00 - $2,999.00
    $2,999.00
    $2,999.00 - $2,999.00
    $2,999.00
  • $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
    In Stock

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

    View full details
    $320.00 - $320.00
    $320.00
    $320.00 - $320.00
    $320.00
  • AR127 5" f/6.5 achromatic doublet refractor
    $749.99 - $749.99
    $749.99
    $749.99 - $749.99
    $749.99

    Explore Scientific AR127 5" f/6.5 Achromatic Doublet Refractor Optical Tube

    Explore Scientific
    In Stock

    This 5" Explore Scientific achromatic refractor optical tube is a big performer, both inside the solar system and out in the realm of the nebulas a...

    View full details
    $749.99 - $749.99
    $749.99
    $749.99 - $749.99
    $749.99
  • $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...

    View full details
    $1,500.00 - $1,500.00
    $1,500.00
    $1,500.00 - $1,500.00
    $1,500.00

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare