Explore Scientific - ED102mm f/7 Classic White "Essential Series" Air-Spaced Triplet Refractor

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Regular Price: $999.99

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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.

Explore Scientific Instruction Booklet for Triplet Refractors

SKU: ED10207-01
Manufactured by:
Explore Scientific

Product Description

Explore Scientific Instruction Booklet for Triplet RefractorsCharlie Bates Solar Endorcement

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.

Rugged and portable, the Explore ED Triplet is a true three-element apochromatic telescope capable of producing research-level image quality. Dr. Mike Reynolds used the ED80 telescope to make the first ever images of shadow bands on clouds during the total eclipse of the sun over Easter Island on July 11, 2010.

When the designers at Explore Scientific set their sights on creating a top-quality apochromatic refractor that anyone would be proud to own, they decided on a traditional air-spaced triplet optical design in a rugged, adjustable lens cell. All materials had to be top-notch, so genuine Hoya extra-low dispersion (ED) Dense Fluor Crown (FCD1) glass was chosen, and then experienced craftsmen shaped and polished the elements that would form the foundation of a high-quality, true APO refractor.

All Explore Scientific Air-Spaced Triplet APO Refractors are diffraction-limited at .25PV or better. Special EMD enhanced multi-layer coatings are deposited on all optical surfaces, and the result is bright, high contrast images with virtually no light scatter. Interferometic data on your newly purchased and registered Explore apochromatic refractor is available upon request after 6 months of ownership. Time restrictions apply; please contact Customer Service for more information.

While optics are definitely the most important component of any telescope, other features, like the focuser and the optical tube, play a crucial role in the design. Below you will find highlights on all of the ingredients used to create Explore Scientific Triplet APO refractors, including a very liberal warranty that speaks volumes about the confidence we have in our telescopes!



  • The Explore ED APO telescope comes with a white aluminum tube with black accents.
  • Explore Scientific Air-Spaced Apochromatic Triplets have true APO optic and are diffraction limited at .25PV or better.
  • Genuine ED glass from Hoya Japan is used on all ED APO Triplets at Explore, for superb quality and light throughput.
  • Enhanced Multi-Layer Coatings (EMD) are deposited on optical elements to boost contrast and eliminate light scatter; and contrast is further enhanced with the installation of matte black knife-edge baffles in the optical tube assembly.
  • While refractors seldom require additional collimation after initial factory adjustment, the lens cell design allows for consumer collimation. Sending your ED Triplet off to the factory is always an option, but is not required.
  • Heavy-duty 2" dual-speed focusers.
  • The included 2" diagonal has a precision-polished mirror with enhanced 99% dielectric coatings. A 1.25" compression ring adapter is part of this package.
  • To attach your Explore Scientific Air-Spaced Triplet telescope to a variety of mounts, we have included the "Vixen-style" dovetail. The "Vixen-style" plate fits mounts made by Explore, Meade, Celestron, Vixen & others.
  • All Explore Scientific products come with a STAR Extended-Life-of-the-Product Warranty. Upon registration, this product will be under warranty for as long as it is manufactured, plus five years.


EXPLORE SCIENTIFIC branded products are under warranty forever, and this warranty is transferrable from owner-to-owner as long as the product is registered with EXPLORE SCIENTIFIC.
This Transferrable Unlimited Lifetime Warranty covers any problem no matter what the cause. In addition, this new warranty supersedes and is retroactive for EXPLORE SCIENTIFIC branded products that are already serving in the field, provided they are registered with us.
That means that no matter what the cause of the problem, no matter if you are the second or the 20th owner, we will take care of your EXPLORE SCIENTIFIC branded product without any repair or replacement fees.  For more info watch the following video by  Mr.Scott Roberts, Founder of Explore Scientific.



 MC 11/14


Name Explore Scientific - ED102mm f/7 Classic White "Essential Series" Air-Spaced Triplet Refractor
Manufacturer Explore Scientific
Model ED10207-01
UPC 812257014958
Custom Stock Status Available - Ships in 3-5 Days
Telescope Aperture 3.1" - 4"
Aperture 102mm
Case NOT Included
Focal Length 714mm
Focal Ratio f/7
Focuser 2-Speed Rack and Pinion Focuser
Limiting Stellar Magnitude 12
Optical Coatings EMD
Optical tube diameter 119mm
Optical Tube Length w/ dew shield 30.5"; w/ out dew shield 23.75"
Resolving Power 1.14 arc seconds
Warranty Explore STAR Transferrable Unlimited Lifetime Product Warranty


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This scope is built to a price and buyers should not expect the same quality as the better brand names. There is a little lateral movement in the focuser and the centre half of the objective has significant zones. However the scope gives sharp, CA free views at moderate powers so I think it's worth the price I paid when on sale. (Posted on 2/3/2015)
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