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Orion Telescopes

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Beginner
Orion EON 80mm f/6.25 ED Apochromatic Refractor Telescope
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  • Fast f/6.25 optics and all-machined, premium mechanics make for an awesome imaging telescope
  • 80mm doublet lens crafted with FPL-53 ED glass to virtually eliminate chromatic aberration
  • Machined aluminum 2" Crayford focuser has dual-speed focus knobs with 11:1 fine-focus ratio
  • Extremely portable at 15.5" long
  • Retractable lens shade, dovetail mounting bar, finder scope base, and carrying case included


Learn more
Item #  09927

When we introduced the 80mm ED refractor a few years ago, it became an instant hit, especially with astrophotographers. With the Orion EON 80mm Extra-Low Dispersion Apochromatic Refractor Telescope, we've incorporated faster optics and all-machined, premium mechanics to present what we believe is an even more desirable telescope for the serious celestial imager, or for the visual observer who wants a compact telescope of uncompromising quality.

The EON 80ED is really an imager's dream telescope. The 500mm focal length yields an f-ratio of 6.25, faster than the standard Orion ED80, which is f/7.5. So the EON 80ED Apochromatic Refractor Telescope gives you brighter images, a wider field of view, and allows shorter exposures of deep-sky objects. The 80mm air-spaced doublet lens is crafted with one element of FPL-53 extra-low dispersion, "ED", optical glass, which virtually eliminates the effects of chromatic aberration. All air-to-glass lens surfaces are fully multi-coated for maximum light throughput. Baffles inside the optical tube, glare threads in the focuser drawtube, and a retracting lens shade/dew shield eliminate unwanted glare to deliver crisp, high-contrast images. The extremely portable EON 80ED measures just 15.5" long with the lens shade retracted, making it nice and easy to transport to your favorite dark-sky site for imaging sessions in the included hard carry case.

Like all EON telescopes the Orion EON 80mm Extra-Low Dispersion Apochromatic Refractor Telescope has a beautifully machined Crayford-type 2" focuser with a removable 1.25" insert, allowing use of either 2" or 1.25" accessories. The gearless Crayford design provides smooth, zero image-shift focusing. The dual-speed focusing knobs have an 11:1 micro-focusing ratio to ensure you achieve the critical focus you need for your images. The focuser is rotatable 360 degrees, allowing comfortable eyepiece positioning or easy image framing when you're taking pictures. A dovetail finder scope base comes standard and accommodates any Orion finder telescope or EZ Finder. The telescope has an integrated L-shaped mounting base that fits the dovetail saddle of Orion and Celestron (and some other) telescope mounts. The base also has 1/4"-20 threaded holes to allow attachment to a sturdy field tripod for terrestrial use.

With its grab-and-go portability, apochromatic optics, and gorgeous "fit and finish," the Orion EON 80mm Extra-Low Dispersion Apochromatic Refractor Telescope is one terrific telescope. And with a DSLR or astronomical CCD camera attached, it becomes an astrophotographic sensation. Weighs 6 lbs., 8 oz.

Warranty

Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.

Product Support
Visit our product support section for instruction manuals and more
  • Best for viewing
    Brighter deep sky
  • Best for imaging
    Deep sky
  • User level
    Beginner
  • Optical design
    Refractor
  • Optical diameter
    80mm
  • Focal length
    500mm
  • Focal ratio
    f/6.2
  • Coatings
    Fully multi-coated
  • Optics type
    Air-spaced doublet
  • Glass material
    Extra low dispersion FPL-53
  • Eyepieces
    None
  • Resolving power
    1.44arc*sec
  • Lowest useful magnification
    12x
  • Highest useful magnification
    160x
  • Highest theoretical magnification
    160x
  • Limiting stellar magnitude
    12.2
  • Optical quality
    Diffraction limited
  • Finder scope
    None
  • Focuser
    2" dual-speed Crayford
  • Mount type
    Optical Tube without Mount
  • Astro-imaging capability
    Lunar, planetary & long exposure
  • Tube material
    Aluminum
  • Length of optical tube
    15.5 in.
  • Weight, optical tube
    6.5 lbs.
  • Additional included accessories
    Hard case
  • Other features
    dual-speed (11:1) rotatable focuser, extendable machined dew shield, dovetail mounting base w/ 2 1/4"-20 holes
  • Warranty
    One year

Orion EON 80mm f/6.25 ED Apochromatic Refractor Telescope optical tube assembly
Dust Cover
1.25" eyepiece adapter
2.5mm hex key
Hard carrying case
 

Orders received by 1pm Eastern Time for in-stock items ship the same business day. Orders received after 1pm will ship the next business day. When an item is not in-stock we will ship it as soon as it becomes available. Typically in-stock items will ship first and backordered items will follow as soon as they are available. You have the option in check out to request that your order ship complete, if you'd prefer.

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