Orion 8" f/3.9 Newtonian Astrograph Reflector Telescope
Item #08297e
4.8 / 5.0
€ 549.99
Our 8" aperture deep-sky imaging specialist has features usually reserved for much pricier astrophotography telescopes. The 8" f/3.9 Newtonian Astrograph features nine internal baf...
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Our 8" aperture deep-sky imaging specialist has features usually reserved for much pricier astrophotography telescopes. The 8" f/3.9 Newtonian Astrograph features nine internal baffle rings, a recessed and reinforced focuser, and exceptional optics.
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  • More Info
    • Capture excellent astrophotos with our 8" aperture imaging-optimized f/3.9 Newtonian astrograph reflector telescope
    • Big 8" (203mm) aperture and fast f/3.9 focal ratio provides powerful astrophotography performance
    • Nine internal baffle rings, extended tube length in front of the focuser, and flat-black interior work together to provide maximum image contrast
    • Both primary and 70mm minor-axis secondary mirrors feature enhanced reflectivity (94%) aluminum coatings with a protective quartz overcoat
    • Also provides excellent visual views of everything from the Moon to the Messier list of celestial objects thanks to included extension adapters
  • Specs
    • Best for viewing:
      Brighter deep sky
    • Best for imaging:
      Deep sky
    • User level:
      Intermediate
    • Optical design:
      Reflector
    • Optical diameter:
      203 mm
    • Focal length:
      800 mm
    • Focal ratio:
      f/3,9
    • Optics type:
      Parabolic
    • Glass material:
      Low thermal expansion glass
    • Resolving power:
      0,57 arc*sec
    • Lowest useful magnification:
      29 x
    • Highest useful magnification:
      300 x
    • Highest theoretical magnification:
      400 x
    • Limiting stellar magnitude:
      14,2
    • Optical quality:
      Diffraction limited
    • Finder scope:
      9x50
    • Focuser:
      2" dual-speed Crayford
    • Secondary mirror obstruction:
      70 mm
    • Secondary mirror obstruction by diameter:
      35 %
    • Secondary mirror obstruction by area:
      12 %
    • Mirror coatings/over-coatings:
      Enhanced Aluminum & Silicon Dioxide
    • Mount type:
      Optical Tube without Mount
    • Astro-imaging capability:
      Lunar, planetary & long exposure
    • Tube material:
      Steel
    • Length of optical tube:
      76,2 cm
    • Weight, optical tube:
      7,9 kg
    • Additional included accessories:
      Pair of tube rings, Cooling fan, 2" & 1.25" extension adapters, Collimation cap, User guide, Starry Night SE software
    • Other features:
      Nine internal baffle rings ensure maximum contrast, Extended-length optical tube in front of focuser, Steel plate eliminates flexure under focuser
    • Warranty:
      One year
  • 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.

    A per-item shipping charge (in addition to the standard shipping and handling charge) applies to this product due to its size and weight. This charge varies based on the shipping method.

    Economy Delivery (3-5 business days): €0,00
    Expedited Delivery (1-2 business days): €12,10

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