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APO Triplet Series

Apochromatic (ED APO) lenses are designed to bring all of the colors into focus in the same plane. In contrast, achromatic lenses are corrected to bring two wavelengths of into focus in the same plane.  For more specifications and information on the different types of glass used in our apochromatic triplets, please click here.

  • Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor - ES-ED0806-01
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    $ 849.99

    Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor - ES-ED0806-01

    Explore Scientific

    Description The ED80 Essential Series Air-Spaced Triplet Refractor is a true apochromat that reveals celestial wonders like the desolate beauty of...

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    $ 849.99
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  • Explore Scientific ED102 Essential Series Air-Spaced Triplet APO Refractor Telescope - ES-ED10207-01
    Save 25%
    Original Price $ 1,199.99
    Current Price $ 899.99

    Explore Scientific ED102 Essential Series Air-Spaced Triplet APO Refractor Telescope - ES-ED10207-01

    Explore Scientific

    Description The Explore Scientific ED102 Essential Series Air-Spaced Triplet APO Refractor Telescope is a true apochromat refractor that reveals o...

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    Original Price $ 1,199.99
    Current Price $ 899.99
    Save 25%
  • Explore Scientific ED127 Essential Series Air-Spaced Triplet Refractor - ES-ED127075–03
    Save 24%
    Original Price $ 1,899.99
    Current Price $ 1,449.99

    Explore Scientific ED127 Essential Series Air-Spaced Triplet Refractor - ES-ED127075–03

    Explore Scientific

    Description Great for astrophotography and critical visual observations, the Explore Scientific ED127 Essential Series Air-Spaced Triplet Refracto...

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    Original Price $ 1,899.99
    Current Price $ 1,449.99
    Save 24%
  • Explore Scientific ED152 Air-Spaced Triplet in Carbon Fiber - TED15208CF-HEXDD3
    $ 4,499.99

    Explore Scientific ED152 Air-Spaced Triplet in Carbon Fiber - TED15208CF-HEXDD3

    Explore Scientific

    Description Observing with the ED152 Air-Spaced Triplet FCD1 Series Apochromatic Refractor in Carbon Fiber with genuine HOYA FCD1 ED Glass: Seriou...

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    $ 4,499.99
  • Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor - FCD100-0806-01
    Save 25%
    Original Price $ 1,199.99
    Current Price $ 899.99

    Explore Scientific ED80-FCD100 Series Air-Spaced Triplet Refractor - FCD100-0806-01

    Explore Scientific

    Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

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    Original Price $ 1,199.99
    Current Price $ 899.99
    Save 25%
  • Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Refractor Telescope - FCD100-10207-01
    Sold out
    $ 1,899.99

    Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Refractor Telescope - FCD100-10207-01

    Explore Scientific

    Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

    View full details
    $ 1,899.99
    Sold out
  • Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Telescope in Carbon Fiber - FCD100–10207-CF
    $ 2,199.99

    Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Telescope in Carbon Fiber - FCD100–10207-CF

    Explore Scientific

    Description The Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Telescope in Carbon Fiber, has the advantages for astrophotographers and...

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    $ 2,199.99
  • FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor with 2.5" HEX Focuser
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    Original Price $ 2,399.99
    Current Price $ 1,799.99

    FCD100 Series 127mm f/7.5 Aluminum Air-Spaced Triplet ED APO Refractor with 2.5" HEX Focuser

    Explore Scientific

    Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

    View full details
    Original Price $ 2,399.99
    Current Price $ 1,799.99
    Save 25%
  • Explore Scientific FCD100 Series 127mm f/7.5 Carbon Fiber Triplet ED APO Refractor Telescope with 2.5" HEX Focuser
    Save 25%
    Original Price $ 2,999.99
    Current Price $ 2,249.99

    Explore Scientific FCD100 Series 127mm f/7.5 Carbon Fiber Triplet ED APO Refractor Telescope with 2.5" HEX Focuser

    Explore Scientific

    Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

    View full details
    Original Price $ 2,999.99
    Current Price $ 2,249.99
    Save 25%
  • ED115 FPL53 115mm f/5.5 Air-Spaced Triplet ED APO Refractor in Carbon Fiber with 3" HEX Focuser
    Save 20%
    Original Price $ 3,499.99
    Current Price $ 2,799.99

    ED115 FPL53 115mm f/5.5 Air-Spaced Triplet ED APO Refractor in Carbon Fiber with 3" HEX Focuser

    Explore Scientific

    Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

    View full details
    Original Price $ 3,499.99
    Current Price $ 2,799.99
    Save 20%
  • ED140 FPL53 140mm f/6.5 Air-Spaced Triplet ED APO Refractor in Carbon Fiber with 3" HEX Focuser
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    Original Price $ 5,999.99
    Current Price $ 4,799.99

    ED140 FPL53 140mm f/6.5 Air-Spaced Triplet ED APO Refractor in Carbon Fiber with 3" HEX Focuser

    Explore Scientific

    Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

    View full details
    Original Price $ 5,999.99
    Current Price $ 4,799.99
    Save 20%
  • Explore Scientific ED165-FPL53 Air-Spaced Triplet Refractor - FPL53–165CF-01
    Save 20%
    Original Price $ 11,999.99
    Current Price $ 9,599.99

    Explore Scientific ED165-FPL53 Air-Spaced Triplet Refractor - FPL53–165CF-01

    Explore Scientific

    Description Explore Scientific's largest refractor telescope incorporates our true three-element apochromat design the ED165-FPL53 with an apertur...

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    Original Price $ 11,999.99
    Current Price $ 9,599.99
    Save 20%