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Sky-Watcher

Sky-Watcher 10" Dobsonian 1200mm Focal Length (f/5.0) with 2" Crayford Style Focuser, 1.25" adaptor, 10mm & 25mm Plossl Eyepieces, 8x50 VF, & Rocker Mount

SKU: SKWS11720 MFR: S11720
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$1,049.95 List Price

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About the Sky-Watcher 10" Dobsonian

The Sky-Watcher 10" DOB is an very satisfying telescope to own, an instrument that will provide a lifetime of continuing exploration of the heavens. This telescope provides all the capability and value you are seeking in a large aperture telescope. Sky-Watcher's revolutionary truss-support concept allows the optical tube's front and back cells to collapse together, aligning on the truss support rods which can then be locked down for easy and secure telescope transport.

This one piece, low-hassle OTA design is mechanically simple and results in a large aperture telescope that can be reasonably handled and transported by one individual. This innovation gives Sky-Watcher users tremendous functional ease-of-transportability. With this telescope you have tremendous light gathering power. Prominent deep-space objects seen well in an 8" SW DOB, such as diffuse emission nebulae in the summer sky like the Lagoon (M8), Trifid (M20) and Swan (M17); the stunning globular star clusters M13 and M92 in Constellation Hercules; the awesome winter sky's Great Orion Nebula (M42) in Constellation Orion and the enormous local galaxy group companion the Andromeda Galaxy (M31) in Constellation Andromeda, to name a very few, will appear more spectacular, brilliant and wider in extension in a SW 10" DOB.

Many challenging objects for an 8" aperture now come into their own with the SW 10" DOB: the planetary nebula the Crab (M1), a supernova remnant, requires a 10" aperture to truly begin to appreciate the several subtle, gaseous filamentary structures. M33 the spiral galaxy in Constellation Triangulum exhibits significantly more open arm structure. The Rosette Nebula in Monoceros begins to show the discernable pattern of a blooming rose. M51, the fascinating spiral Whirlpool Galaxy, displays remarkable greater structural detail in a 10" aperture vs. 8" diameter size telescope.

There is no question the incremental resolving power of a 10-inch aperture is visually impressive when compared to an 8-inch. Therefore, it is no wonder then that the 10" aperture is overtaking the 8" as the serious amateur astronomer's aperture of choice in a Dobsonian telescope. Sky-Watcher's compact, collapsible optical tube design makes the decision to step up in aperture to a 10" even easier.

Sky-Watcher 10" Dobsonian Features

  • The Sky-Watcher 10" DOB utilizes quality components throughout
  • The polishing process for primary and diagonal mirror yields smooth mirror surfaces ensuring good contrast and properly corrected optics show minimum alterations to the optical wave-front
  • The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments
  • An 8x50mm Right Angle optical viewfinder provides both magnification and light gathering to help narrow your search for those elusive fuzzies when star-hopping
  • To ensure mechanical ease-of-use, SW uses a high-performance Teflon bearing system in both axes combined with tension adjustment in altitude to facilitate setting the appropriate amount of friction

Sky-Watcher 10" Dobsonian Specifications

Optical Design Newtonian (Parabolic)
Lens Material Grade A annealed Glass
Aperture (Diameter) 254mm
Focal Length 1200mm
F-Ratio F/5
Secondary Mirror Diameter 58mm
Highest Practical Power 508x
Faintest Stellar Magnitude 14.7
Resolving Power .59 arc sec
Finderscope 8x50 RA Viewfinder
Focuser Diameter 2", 1.25" adapter
Diagonal Internal
Eyepiece(s) 1.25" Plossl 25mm and 10mm
Mount Type Dobsonian
Slow-Motion Control Manual with Tension adjust
Accessory Tray Standard
Ground Board Weight(s) 12.5Kgs
Tube Weight 33 lbs
Warranty Sky-Watcher warranty
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