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Explore Scientific ED102 Air-Spaced Triplet Refractor in Carbon Fiber - NEW 2017
Explore Scientific ED102 Air-Spaced Triplet Refractor in Carbon Fiber

Explore Scientific ED102 Air-Spaced Triplet Refractor in Carbon Fiber - NEW 2017

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Your Price: CAD1,723.85
Retail Price:CAD1,779.00

Your Savings:CAD55.15(3%)

Usually ships in 5-7 business days
Part Number:EDT-10207-CF-01

Choose Options or Accessories if Applicable

Focal Extenders
Field Flatteners / Coma Corrector
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Focuser and Accessories
Cradle Rings
Dovetail Plates
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Explore Scientific's ED102 102mm f/7 Carbon Fiber Apo Refractor Telescope strikes a delicate balance between aperture and weight, making it ideal for lunar, planetary, and deep-sky viewing while still being highly portable. It has a relatively small form-factor that makes it perfect as a portable grab-and-go option, or set up on a dual-mount rig for astrophotography/astroimaging. Using HOYA extra low-dispersion (ED) glass in an apochromatic triplet lens configuration, with fully multicoated optics, produces images that are clear and bright without fringing, halos, or distortion across the entire field of view, with true color rendition and high-contrast.

Offered here as an OTA-only option for those with reliable support systems, the carbon fiber tube weighs just 7 pounds to be easily carried by even medium-sized mounts. The carbon fiber also resists the expansion and contraction common in metal tubes when moving between extreme temperatures, which can cause the internal lens elements to move out of collimation over time and affecting the scope's ability to achieve sharp focus and cause fringing and halos. Its sturdy rack-and-pinion focuser can handle heavier eyepieces and accessories without flexing, while the wide 2" drawtube ensures complete coverage of imaging sensors during astrophotography without vignetting the scene.

Optical Tube Assembly
  • 102mm aperture
  • f/7 focal ratio
  • 714mm focal length
  • Refractor-style optical design
  • Extra low-dispersion (ED) HOYA glass reduces chromatic aberration, which causes halos and fringing, for improved color rendition and contrast
  • Proprietary anti-reflection EMD (Enhanced Multi-coatings) on all optics improve light transmission, color rendition, clarity, and contrast
  • Apochromatic triplet optical design virtually eliminates chromatic aberrations
  • Resolution: 1.14 arcsec, Dawes Limit
  • Carbon fiber optical tube reduces weight without sacrificing strength, and resists the expansion/contraction caused by temperature fluctuations which can cause internal lenses to move out of alignment and affecting image quality and focusing ability
  • Optical tube assembly (OTA) only: Mount and tripod required for proper use
  • Mounting ring assembly has an integrated handle provide more secure handling during setup and breakdown
  • OTA placement is adjustable on mounting ring assembly for precise balancing, and finderscope and focusing knob orientation
  • Vixen-style dovetail plate is compatible with a variety of mounts
  • Lightweight and durable carbon fiber optical tube weighs just 7 pounds
Observation Details
  • Sturdy rack-and-pinion focuser resists flexing when using heavy eyepieces or imaging rigs
  • Large 2" drawtube ensures complete coverage of imaging sensors to avoid vignetting for astrophotography/imaging
  • 2" 90° star diagonal places head in comfortable viewing position when OTA is aimed at or near the zenith, dielectric-coated mirror limits light-loss
  • Two 2" threaded extender-tubes provide additional back-focus range if required for astrophotography
  • 1.25" reducer adapter enables the use of smaller eyepieces and accessories
  • Pre-mounted bracket for user-supplied finderscope
Optical Design Apochromatic triplet refractor
Aperture 102 mm
Focal Length 714mm
Focal Ratio f/7
Eyepiece Barrel Diameter 2"
1.25" with included adapter
Diagonal 90° star
2" snout and holder
Finderscope None
Tripod None
Mount Type Vixen-style dovetail
Optical Tube Dimensions Diameter: 4.7" / 12.0 cm
Length: 26.0" / 66.0 cm, with dew shield
Length: 23.8" / 60.4 cm, without dew shield
Weight 7.0 lb / 3.2 kg

In the Box
Explore Scientific ED102 102mm f/7 Carbon Fiber Apo Refractor Telescope (OTA only)
  • 2 x 2" Extension Collars
  • 2" 90° Star Diagonal
  • Eyepiece Reducer Adapter
  • Limited 1-Year USA/Canada Warranty, Extendable to Transferrable Lifetime Warranty with Registration

  • Customer Reviews:
    What can be said about the New Explore Scientific 102 MM air spaced triplet APO?
    I had the opportunity to try the ES 102 mm APO for imaging with my SXVF-H9.
    The scope comes with mounting rings and a dovetail to fit several different mounts
    as well as a convenient carrying handle.
    It also comes with a 2 inch diagonal , illuminated 8x50 finder scope and a very nice
    case to store and transport it in.
    When the scope arrived , it didn’t take me long to head down to the Observatory to set it all up.
    I piggybacked the ES 102 mm on my Meade LX200R 10 inch scope by removing the dovetail
    from the rings and adding Losmandy clamps to mount on the Losmandy rail. Once this was all
    mounted it was time to balance out the new system. Once Balance was achieved I was set to go.
    The first thing I did was to do some visual work to see how well the scope performs.
    I went to Sirius and focused to see how the color correction was.
    This scope looked very good in color correction as well as crispness and contrast.
    Just for fun I went to view some sections in Orion and figured I would see if I could see the
    running man Nebula visually as I have never seen it visually.
    I was amazed at the view as well as the amount of Nebulosity I could see.
    This was the first time I have ever seen this Nebula visually. I the dropped down in declination a
    bit and had one of the best views of the Great Orion nebula I have ever seen. The crispness and
    contrast of the views were impressive. After bouncing around for a while looking at several other
    objects I decided to add the imager to do some imaging.
    The first thing I imaged was the Horse head Nebula. This is where I then remembered I had to
    redo the Pec train on the scope (oops).
    After I finally got the mount tuned up I decided to image a very nice galaxy in Leo. (NGC 3628)
    After a few hours of Luminance information I captured the color information and called it a night
    as high thin clouds were rolling in.
    I processed the image to reveal a nice deep image of this area.
    Then I started to look and realized I had more galaxy’s than stars in the image.
    I then imaged NGC 4565 to reveal some very nice structure along with some very faint galaxy’s.
    I am very impressed with the ES 102 mm APO triplet,
    Explore Scientific is an up and coming company who is designing and selling some very well
    designed Astronomy equipment. They have an expanding line of products of several different
    telescopes, eyepieces and mounts.
    If you are looking for a mid sized refractor telescope of good quality and workmanship the Explore Scientific 102 MM APO
    refractor is the scope for you. It is high quality, nicely designed with good
    fit and finish and truly affordable.

    Mark Sibole
    MTSO Observatory
    Fife Lake Michigan

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