Orion 180mm Maksutov-Cassegrain Telescope Optical Tube
Item #09969e
5.0 / 5.0
€ 1,099.99
Superb high-power performance, compact lightweight design, sharp high-contrast view, and clearly defined astrophotography capabilities make the Orion 180mm Maksutov-Cassegrain perf...
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Superb high-power performance, compact lightweight design, sharp high-contrast view, and clearly defined astrophotography capabilities make the Orion 180mm Maksutov-Cassegrain perfect for the advanced planetary observer or astrophotographer.
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  • More Info
    • Superb moderate and high-power optical performance in a remarkably compact telescope design
    • Whopping 7.1" aperture and 2,700mm focal length (f/15) Maksutov-Cassegrain excels for high-power solar system viewing and photography of the Moon and planets
    • Now comes with 2" visual back and 2"-to-1.25" adapter, so you can use 2" or 1.25" accessories!
    • Boasts enough aperture to provide bright, highly resolved views of smaller deep-sky objects such as planetary nebulas and globular star clusters
    • Only 22" long and weighs less than 16 lbs., for compact portability and easy storage
  • Specs
    • Best for viewing:
      Brighter deep sky
    • Best for imaging:
      Lunar & planetary
    • User level:
      Advanced
    • Optical design:
      Maksutov-Cassegrain
    • Optical diameter:
      180 mm
    • Focal length:
      2700 mm
    • Focal ratio:
      f/15,0
    • Eyepieces:
      None
    • Resolving power:
      0,64 arc*sec
    • Lowest useful magnification:
      67 x
    • Highest useful magnification:
      300 x
    • Highest theoretical magnification:
      360 x
    • Limiting stellar magnitude:
      13,9
    • Optical quality:
      Diffraction limited
    • Focuser:
      Internal
    • Secondary mirror obstruction:
      41 mm
    • Secondary mirror obstruction by diameter:
      23 %
    • Secondary mirror obstruction by area:
      5 %
    • Mirror coatings/over-coatings:
      Magnesium Fluoride
    • Mount type:
      Optical Tube without Mount
    • Astro-imaging capability:
      Lunar, planetary & long exposure
    • Tube material:
      Aluminum
    • Length of optical tube:
      57,2 cm
    • Weight, optical tube:
      7,2 kg
    • Weight, fully assembled:
      7,2 kg
    • Additional included accessories:
      Included accessories may vary for 2nds, Substitutions may be made
    • Other features:
      Dovetail bracket for finder scope, Dovetail mounting plate, 2" visual back with 1.25" adapter; SCT threads
    • Warranty:
      One year
  • In The Box

    Orion 180mm Maksutov-Cassegrain telescope optical tube assembly
    2" visual back with 1.25" adapter
    Dovetail mounting rail
    Dovetail finder scope base
    Dust cap

  • 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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