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  1.  Takahashi - TOA-150B Refractor Optical Tube Assembly - Heavy-Duty 4" Focuser

    Takahashi - TOA-150B Refractor Optical Tube Assembly - Heavy-Duty 4" Focuser

    The TOA-150 is the second Takahashi Ortho Apochromat to be developed by Takahashi. It features a newly designed triplet objective. This new design like its smaller companion the TOA-130 is absolutely color free

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    (48 States)
    Model#: TOK1501
    $11,400.00

  2. Astro-Tech Black 72mm f/6 ED Doublet Refractor OTA

    Astro-Tech - Black 72mm f/6 ED Doublet Refractor OTA

    Astro-Tech has built this optical tube by increasing their previous aperture of 66mm to a now 72mm. This allows 9% higher resolution and 19% better light gathering. In addition, a new and updated focuser has been supplied with this telescope.

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    (48 States)
    Model#: AT72BK
    $379.00

  3. Astro-Tech - Blue 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astro-Tech - Blue 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astronomy magazine called this scope’s predecessor, the 66mm Astro-Tech AT66ED, “a product everyone should own.”

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    (48 States)
    Model#: AT72BL
    $379.00

  4. Astro-Tech ED Four Element 65mm f/6.5 Apochromatic Refractor

    Astro-Tech - ED Four Element 65mm f/6.5 Apochromatic Refractor

    This unique apochromatic ED quad refractor astrograph has a four lens/two group/two ED element fully-multicoated optical system.

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    (48 States)
    Model#: AT65EDQ
    $599.00

  5. Astro-Tech Green 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astro-Tech - Green 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    This green optical tube from Astro-Tech is a piece of equipment every advanced serious astronomer should consider. With high quality refractive optics, fabulous accessories, it is pretty amazing.

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    Model#: AT72GR
    $379.00

  6. Astro-Tech - Red 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    DISCONTINUED: Astro-Tech - Red 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    This is a discontinued item. We recommend the Astro-Tech White 72mm Refractor or Black 72mm Refractor as replacements.

    Astronomy magazine called this scope’s predecessor, the 66mm Astro-Tech AT66ED, “a product everyone should own.”

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    Model#: AT72R
  7. Astro-Tech - White 111mm f/7 ED Triplet Refractor Telescope

    Astro-Tech - White 111mm f/7 ED Triplet Refractor Telescope

    This 111mm triplet refractor from Astrotech has an increase of 18% light transmission when compared to a 102mm refractor ota.

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    (48 States)
    Model#: AT111EDT
    $1,595.00

  8. Astro-Tech - White 130mm f/6 FPL-53 Triplet Refractor Telescope

    Astro-Tech - White 130mm f/6 FPL-53 Triplet Refractor Telescope

    Astro-Tech has equipped this telescope with a 2.7" Linear Crayford focuser, with a 10:1 focusing ratio.

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    (48 States)
    Model#: AT130
    $2,995.00

  9. Astro-Tech - White 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astro-Tech - White 72mm f/6 ED Doublet Refractor Optical Tube Assembly

    Astronomy magazine called this scope’s predecessor, the 66mm Astro-Tech AT66ED, “a product everyone should own.”

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    (48 States)
    Model#: AT72WH
    $379.00

  10. Astro-Tech - White 90mm f/6.7 FPL-53 ED Triplet Refractor Telescope

    Astro-Tech - White 90mm f/6.7 FPL-53 ED Triplet Refractor Telescope

    This triplet refractor from Astro-Tech has an aperture of 90mm and a focal ratio of f/6.7. Featuring high quality glass and amazing accessories, this telescope is definately a wise choice.

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    (48 States)
    Model#: AT90EDT
    $1,195.00

  11. Celestron C100ED-RGT Advanced Series Refractor Telescope

    Celestron - C100ED-RGT Advanced Series Refractor Telescope

    The pinnacle of our ED scopes, this refractor is packed with great features and excellent optics. The refractor style 100ED (APO) features a 2" rack and pinion focuser and has a bracket that can adapt to a photo tripod

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    (48 States)
    Model#: 21026
    $1,574.00

  12. Explore Scientific - 102mm Air-Spaced Triplet ED Refractor Telescope

    DISCONTINUED: Explore Scientific - 102mm Air-Spaced Triplet ED Refractor Telescope

    This is a discontinued product. We recommend the Takahashi TSA-102S 102mm Refractor as a replacement. 

    This 102mm f/7 telescope from Explore Scientific is an air-spaced triplet ED APO refractor that utilizes Hoya ED glass. The telescope is equipped with a 99% dielectric-coated 2-inch diagonal as well as a 8x50 viewfinder making it easy to search for celestial objects. A case with a foam insert is also included with the telescope.

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    (48 States)
    Model#: TED10207-00
  13. Explore Scientific 102mm f/7 ED Apochromatic Triplet Essential Refractor Telescope

    Explore Scientific - 102mm f/7 ED Apochromatic Triplet Essential Refractor Telescope

    The Explore Scientific 102mm f/7 Air-Spaced Triplet ED APO Telescope made Wired Magazine''s Wish List for cool gifts and is a perfect instrument for demanding wide field observing and astrophotography.

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    Model#: ES-ED10207-01
    .

    Regular Price: $2,778.99

    Special Price: $1,249.99

  14. Explore Scientific - 127mm Air-Spaced Triplet ED Refractor Telescope

    DISCONTINUED: Explore Scientific - 127mm Air-Spaced Triplet ED Refractor Telescope

    This is a discontinued item. We recommend the EDT-127075-00 telescope.

    Explore Scientific's 127mm f/7.5 telescope is an air-spaced triplet ED APO refractor telescope that utilizes Hoya ED glass.

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    (48 States)
    Model#: TED127075-00
  15. Explore Scientific - 80mm Air-Spaced Triplet ED Refractor Telescope

    DISCONTINUED: Explore Scientific - 80mm Air-Spaced Triplet ED Refractor Telescope

    This is a discontinued item. Check out the newer version from Explore Scientific as a replacement. TED0806-00

    The 80mm f/6 ED Apochromatic triplet from Explore Scientific is a great air-spaced triplet refractor telescope for observing as well as for use in photography of celestial objects.

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    (48 States)
    Model#: TED0806-00
  16. Explore Scientific - 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor w/ Deluxe Case & Accessories & TwiLight II Heavy-Duty Dual-Head Mount

    Explore Scientific - 80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor w/ Deluxe Case & Accessories & TwiLight II Heavy-Duty Dual-Head Mount

    The 80mm f/6 ED Apochromatic triplet from Explore Scientific is a great air-spaced triplet refractor telescope for observing as well as for use in photography of celestial objects

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    (48 States)
    Model#: TED0806-00-MAZ02-01

    Regular Price: $2,689.98

    Special Price: $1,179.88

  17. Explore Scientific - ED102 Air Spaced Carbon Fiber Triplet Refractor Telescope

    Explore Scientific - ED102 Air Spaced Carbon Fiber Triplet Refractor Telescope

    Explore Scientific uses ED (Extra-low Dispersion) FCD1 (Dense Fluor Crown) glass developed and manufactured by Hoya Optical of Japan.

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    (48 States)
    Model#: EDT-10207-CF

    Regular Price: $3,844.99

    Special Price: $1,729.99

  18. Explore Scientific ED102 Classic White "Essential Series" Air Spaced Triplet Apochromatic Telescope

    DISCONTINUED: Explore Scientific - ED102 Classic White "Essential Series" Air Spaced Triplet Apochromatic Telescope

    This is a discontinued item. We recommend the newer version of the 102mm f/7 ED Apochromatic Refractor from Explore Scientific as a replacement.

    The Explore Scientific 80mm f/6 Air-Spaced Triplet ED APO telescope made Wired Magazine's Wish List for cool gifts and is a perfect instrument for demanding wide field observing and astrophotography.

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    (48 States)
    Model#: ES-ED10207-00
  19. Explore Scientific - ED102mm Air-Spaced Triplet Refractor Carbon Fiber Telescope

    Explore Scientific - ED102mm Air-Spaced Triplet Refractor Carbon Fiber Telescope

    This 102mm f/7 telescope from Explore Scientific is an air-spaced triplet ED APO refractor that utilizes Hoya ED glass.

    Please see the replacement Scope :

    Explore Scientific - ED102 Air Spaced Carbon Fiber Triplet Refractor Telescope
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    (48 States)
    Model#: TED10207-CF
    $1,499.99

  20. Explore Scientific - ED127 Air Spaced Carbon Fiber Triplet Refractor Telescope

    Explore Scientific - ED127 Air Spaced Carbon Fiber Triplet Refractor Telescope

    The Explore Scientific 127mm f/7.5 Air-Spaced Triplet ED APO produces a visual experience that is often compared to much larger aperture reflector telescopes.

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    (48 States)
    Model#: EDT-127075-CF
    .

    Regular Price: $5,556.99

    Special Price: $2,499.99

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