Orion Observer 80ST Equatorial Refractor Telescope
Item #10273e
3.0 / 5.0
€ 149.99
An ideal telescope for the observer on-the-go, the compact Observer 80ST packs a lot of performance into a petite telescope design. This short, f/5.0 refractor delivers wide views ...
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An ideal telescope for the observer on-the-go, the compact Observer 80ST packs a lot of performance into a petite telescope design. This short, f/5.0 refractor delivers wide views of the Moon and planets as well as brighter nebulas and star clusters.
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  • More Info
    • Explore the planets and scan the heavens for bright deep-sky gems with the compact and low-cost Orion ShortTube 80mm refractor telescope
    • An ideal refractor telescope package for the observer on-the-go, the compact Observer 80ST packs a lot of performance into a petite telescope design
    • 80mm f/5.0 rich-field refractor telescope delivers sharp and bright wide-field views of the cosmos - great for exploring the Moon, wide views of bright planets and their closeby moons, star clusters, bright nebulas and galaxies
    • The included EQ-1B equatorial mount and adjustable-height tripod allows smooth slow-motion movement to easily track objects in the sky
    • Includes 90-degree star diagonal, two anti-reflection coated 1.25" Kellner telescope eyepieces, red-dot reflex sight and the Orion MoonMap 260
  • Specs
    • Best for viewing:
      Lunar & planetary
    • Best for imaging:
      Lunar & planetary
    • User level:
      Beginner
    • Optical design:
      Refractor
    • Optical diameter:
      80 mm
    • Focal length:
      400 mm
    • Focal ratio:
      f/5,0
    • Coatings:
      Coated
    • Optics type:
      Air-spaced doublet
    • Glass material:
      Crown/Flint
    • Eyepieces:
      Kellner 10,0 mm,25,0 mm (1,25")
    • Magnification with included eyepieces:
      40 x, 16 x
    • Resolving power:
      1,45 arc*sec
    • Lowest useful magnification:
      11 x
    • Highest useful magnification:
      160 x
    • Highest theoretical magnification:
      160 x
    • Limiting stellar magnitude:
      12,2
    • Finder scope:
      Reflex sight
    • Focuser:
      1,25" Rack-and-pinion
    • Diagonal degrees:
      1,25" 90° Mirror Star
    • Mount type:
      Equatorial
    • Astro-imaging capability:
      Simple moon shots
    • Dovetail bar system:
      No
    • Polar-axis scope:
      Not available
    • Tube material:
      Aluminum
    • Tripod material:
      Aluminum
    • Weight, optical tube:
      0,9 kg
    • Weight, mount/tripod:
      2,8 kg
    • Weight, fully assembled:
      4,5 kg
    • Additional included accessories:
      Moon Map 260, Counterweight 2 lbs 2.9 oz
    • Other features:
      2nds are covered by Orion's Satisfaction Guarantee
    • Warranty:
      One year
    • Lithium battery weight:
      0.10g
  • Shipping Info

    Orders received by 5pm UTC for in-stock items 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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