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Sky-Watcher 8" Dobsonian Telescope

B&H # SKSW8DOB Mfr # S11700
In Stock
Free Expedited Shipping
Price: $429.00
Instant Savings: $50.00
You Pay: $379.00
Product Highlights
  • 8" Dobsonian-Style Newtonian
  • 1200mm Focal Length
  • 2" Crayford-Style Focuser
  • 2 Plossl 1.25" Eyepieces
  • 8x50 Viewfinder
  • Teflon Bearings, Tension Clutch
  • Collapsible Tube Design

The 8" Dobsonian Telescope from Sky-Watcher is a large-aperture, short focal-length, Newtonian reflector. It provides big light-bucket gathering, good optical quality and unique utility. It has an inspiring simple construction, emphasizing ease-of-use and greater aperture for lower cost.

Sky-Watcher's optical tube design utilizes their proprietary truss support system. That system allows the optical tube's front and back tubes to collapse together, aligning on the truss support rods, and locking down for secure 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-use.

The Sky-Watcher Dobsonian's large aperture and fast focal ratio make it the ideal dedicated telescope for wide-field, deep-space observation of faint galaxies, nebulae, and star clusters. For ease-of-use, Sky-Watcher uses a high-performance Teflon bearing system in both axes combined with tension adjusters in altitude that assure smooth manual movement.

Sky-Watcher Dobsonian telescopes offer quality optics, huge aperture, solid construction, and superb value for the investment.

In viewing deep-space aperture counts big time. With this telescope you have tremendous light gathering power. Some prominent deep-space objects seen well in an 8" SW DOB are the Lagoon (M8), Trifid (M20), and Swan (M17) nebulae, the globular star clusters M13 and M92 in Hercules, the Great Orion Nebula (M42) and our local galaxy group companion, the Andromeda Galaxy (M31), and many more.

On each parabolic primary mirror, and elliptical diagonal mirror, aluminum is vacuum deposited to the front glass surface and then over coated with hard quartz (SiO4). Additional layers of titanium dioxide (TiO2) and (SiO4) are then applied.

An 8x50mm right angle optical viewfinder provides both magnification and light gathering to help narrow your search for those elusive fuzzies while star-hopping. The standard, backlash-free, 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plossl eyepieces (25mm and 10mm) provide a spacious 52° Apparent Field of View.

Large aperture 8" (200 mm) Dobsonian-style Newtonian for more light gathering ability at less cost
2" Crayford-style focuser with 1.25" adaptor brings those warm fuzzies into quicker and clearer focus
Two, 4-element, Plossl 1.25" eyepieces; 25 mm and 10 mm
Conveniently located accessory tray holds 3 eyepieces
8x50 RA viewfinder to help find target object
Solid rocker-mount with Teflon bearings and tension clutch facilitates smooth vertical and horizontal movement
Truss-support system allows the optical tube's front and back tubes to collapse together for easy and secure transport
Optical Design Newtonian Reflector
Aperture 8" / 200 mm
Focal Length 47.24" / 1200 mm
Focal Ratio 6
Eyepiece Barrel Diameter 1.25"
Eyepiece 48 x:  0.98" / 25 mm
120x: 0.39" / 10 mm
Maximum Useful Magnification 472x
Limiting Stellar Magnitude 14
Finderscope 8x50 RA Viewfinder
Tripod N/A
Mount Type Dobsonian
Power Source None
Optical Tube Dimensions Length: 44.5" / 113 cm
Optical Tube Weight 24.2 lb / 11 kg
Sky-Watcher 8" Dobsonian Telescope
  • 2 x Plossl Eyepieces; 10 mm and 25 mm
  • Finderscope
  • Eyepiece Tray
  • Celestron Two Year Limited Warranty

    by PowerReviews
    Sky-Watcher8" Dobsonian Telescope

    (based on 2 reviews)

    Ratings Distribution

    • 5 Stars



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    • 1 Stars



    Reviewed by 2 customers

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    (1 of 1 customers found this review helpful)


    Big yet portable

    By SpenCoTron

    from Suburban Indiana

    About Me Casual/ Recreational

    Verified Buyer


    • Accurate
    • Compact
    • Easy to Use
    • Lightweight
    • Quality Lenses
    • Strong Construction


      Best Uses

      • Astronomy

      Comments about Sky-Watcher 8" Dobsonian Telescope:

      I have had this scope out about 5 times in the two weeks that I have had it. I can have it in my car's back seat in 5 minutes. Same time to get it out and set up. Portable.

      The quality is very good. I can see that it needs to be collimated, but right out of the box, and every time I have set it up since, it has been plenty close to perfect. The only minuses: the bearing surfaces in the base are a bit sticky (if they don't break in soon, I will work on them...) and the right-angle finder scope is hard to use. I will replace the finder with a red dot type soon.

      It's a sharp scope. Two bands on Jupiter are clear with no filters. Craters of the crescent moon have TEXTURE. The Hercules cluster looks like you could jump in and swim around.

      • Was this a gift?:
      • No

      Share this review

      (3 of 3 customers found this review helpful)


      Buy this one.

      By Chris

      from Central Coast CA

      About Me Avid Adventurer

      Verified Buyer


      • Accurate
      • Easy to Use
      • Quality Lenses


        Best Uses

        • Astronomy

        Comments about Sky-Watcher 8" Dobsonian Telescope:

        I was using a Meade 4" SC reflector and decided to move up to an 8" Dobsonian...this was the right move. I was able to assemble the 8" Dob in about an hour, the plossl eyepieces that came with the package work great, and are lightyears better than the MA eyepieces I was using. The scope was perfectly aligned right out of the box, and even if it wasn't the design of the scope makes alignment easy. The Dob mount works great, and the of course there is huge difference between a 4" and 8"...light, light, light. My first night out, even with city lights, I was able to see globular clusters and galaxies. It's hard to believe that one can purchase a telescope of this calibre for this much money and have all the included parts and features in the box. Nice work, Sky-Watcher.

        • Was this a gift?:
        • No

        Share this review

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