Sky-Watcher 8" Quattro Imaging Newtonian OTA

  • Optical Design: Newtonian Reflector.
  • Aperture: 203 mm (8-inch).
  • Focal Length: 800 mm.
  • Focal Ratio: f/4.
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  • Regular price $640.00

More on the Way* We do not currently have this in stock, but is a common item we carry. More are likely on the way as the manufacturer allows.
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Sky-Watcher 8" Quattro Imaging Newtonian OTA

The Sky-Watcher Quattro 8" (205 mm) Imaging Newtonian OTA is a great optical tube assembly for either visual astronomy or astro-imaging work. This fast 8-inch f/4 Newtonian telescope has a superb mirror set, allowing you to see sharp, high contrast images of celestial objects. Additionally, the tube length has been slightly shortened to optimize performance for doing prime-focus photography. A 2-inch dual speed 10:1 ratio focuser is included for precision focusing adjustments, and an 8x50 finderscope will provide bright views when you're hunting down your favorite deep-sky object.

Sky-Watcher has designed a custom coma corrector for those astro-imagers with larger imaging sensors. The optional Quattro Coma Corrector will improve both visual and photographic performance by correcting for coma around the edges of the field of view, a normal aberration found in optical systems using parabolic mirrors, such as a Newtonian telescope.

Because this Sky-Watcher Quattro 8-inch (205 mm) Imaging Newtonian OTA incorporates significant improvements over competing fast Newtonians, you will be assured of rewarding views of many celestial objects and also achieve good image results when doing astroimaging.

When the OTA is assembled with its accessories, the total weight of this product (less its packaging) is 21-pounds.



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Optical DesignNewtonian


  • Sky-Watcher Quattro 8" Imaging Newtonian Telescope OTA.
  • 8x50 Optical Finder.
  • Two Tube Rings.
  • Vixen Style Dovetail Bar.
  • 2-inch Dual Speed 10:1 Focuser.