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Orion Telescopes

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Orion 20x70 Astronomy Binoculars
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  • 20-power astronomy binoculars with big 70mm aperture objective lenses yields bright, high-contrast views of the night sky
  • Big 70mm lenses gather ample light for spectacular views of the Moon, star clusters, and more!
  • Fully multi-coated optics and BAK 4 porro prisms ensure maximum light throughput for bright, clear views
  • Long 17mm eye relief for comfortable views - even while wearing eyeglasses
  • Includes tripod L-adapter, soft carry case, and dust caps


Learn more
Item #  52179

Our Orion 20x70 Astro-Binoculars are ideal for extensive astronomical exploration of the many wonders of the night sky. Like its 15x counterpart, this 20x70 model features 70mm (2.75") aperture objective lenses which are capable of pulling a good amount of light from sparkling night-sky subjects, so views appear bright and exhibit excellent contrast. In fact, these big binoculars boast more than twice the light gathering power of typical 50mm binoculars! Even more amazing is the value of these super-affordable, big, powerful astronomy binoculars.

The 20-power magnification coaxes out fine details of observational targets in the night sky, and high-quality BAK 4 prisms and anti-reflection multi-coatings on every air-to-glass surface ensures as much light as possible reaches your eyes. The long 17mm eye relief lets eyeglass wearers enjoy the view in comfort without removing corrective lenses. A tripod L-adapter is included, and tripod use is highly recommended for extended viewing sessions due to the powerful 20x magnification. A soft case with a carrying strap and dust caps are included.

Find out how affordable great binocular astronomy performance can be with a pair of Orion 20x70 Astro-Binoculars!

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.

Warning

Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.

Product Support
Visit our product support section for instruction manuals and more
  • Best for viewing
    Brighter deep sky
  • Magnification
    20x
  • Optical diameter
    70mm
  • Field of view - angular
    3.2°
  • Field of view - linear
    64.0 ft./1000 yd
  • Apparent field of view
    64.0°
  • Eye relief
    17.0mm
  • Exit pupil
    4.0mm
  • Near focus
    45 ft.
  • Coatings
    Fully multi-coated
  • Prism
    BAK-4 Porro
  • Interpupillary distance range
    56mm - 72mm
  • Focus style
    Center focus
  • Tripod adaptable
    Yes
  • Diopter adjustment
    Yes
  • Weight
    3.2 lbs.
  • Warranty
    One year

Orders received by noon Pacific Time for in-stock items ship the same business day. Orders received after noon 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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