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Orion Telescopes

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Beginner
*2nd* Orion ShortTube 80 Refractor Telescope Optical Tube
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Item #  79948
  • Best for viewing
    Brighter deep sky
  • User level
    Beginner
  • Optical design
    Refractor
  • Optical diameter
    80mm
  • Focal length
    400mm
  • Focal ratio
    f/5.0
  • Coatings
    Fully multi-coated
  • Optics type
    Air-spaced doublet
  • Glass material
    Crown/Flint
  • Eyepieces
    None
  • Resolving power
    1.45arc*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
    1.25" Rack-and-pinion
  • Mount type
    Optical Tube without Mount
  • Astro-imaging capability
    Lunar, planetary & long exposure
  • Tube material
    Aluminum
  • Length of optical tube
    15.0 in.
  • Weight, optical tube
    3.0 lbs.
  • Additional included accessories
    Other included items are not always the same between a new and a second. Seconds may be older versions of the new product, or may be customer returns where accessory substitutions have been made.
  • Other features
    2nds are covered by Orion's Satisfaction Guarantee
  • Warranty
    One year

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