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Orion ShortTube 80, 80mm Refractor Telescope, with Software

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About the Orion ShortTube 80

The Orion ShortTube 80mm Telescope Optical Tube is an upgraded version of the ever-popular ShortTube 80 that's accessorized for astronomical adventure. it has bright, wide-field views. Its multi-coated 80mm objective lens and 400mm focal length (f/5.0) are perfect for scanning the night sky. It reels in bright deep-sky objects and gets you in tight on solar system targets.

It is ideal for use as a guide scope with a CCD autoguider. All air-to-glass surfaces are now fully multicoated, ensuring maximum light transmission for enhanced brightness and clarity. Only 15-1/2" in length, the ST80 is easily portable. The 1.25" cast aluminum rack-and-pinion focuser has a focus lock knob and a dovetail fitting to accommodate Orion finder scopes.

Orion ShortTube 80 Includes

  • Orion Optical Tube Assembly
  • Dust Cap
  • Starry Night Special Edition Software
  • Orion 1 Year Limited Warranty

Orion ShortTube 80 Features

  • Use as a guide scope with a CCD autoguider
  • Multi-coated 80mm f/5.0 optics deliver bright, wide-field images
  • Optical tube assembly only, no accessories

Orion ShortTube 80 Specifications

Use Astronomy & terrestrial
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 included No
Resolving power 1.45arc sec
Lowest useful magnification 12x
Highest useful magnification 160x
Limiting stellar magnitude 12.2
Optical quality Diffraction limited
Focuser 1.25" Rack-and-pinion
Mount style Optical Tube without Mount
Astro-imaging capability Lunar, planetary & long exposure
Tube material Aluminum
Other features Fully Multi-Coated
Length of optical tube 15.0 in
Weight, optical tube 2.4 lbs
Warranty Orion 1 year limited warranty
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