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Sky-Watcher Stargate 450 SynScan 18? Truss Dobsonian Telescope
Condition: Brand New in Original Packaging
- Focal length of 1900mm (f/4.1)
- Fused conical parabolic mirrors
- 94% reflectivity coatings
- Minimalist all-metal structure
- Truss-tubes break are 36" length for easy transport
- Azimuth and altitude bearings are steel and Teflon
- Spring loaded truss anchor points clearly labeled
- Adjustable feet
- Motorized operation in both alt and azimuth axes
- Freedom Find dual-encoder technology
Sky-Watcher Stargate truss-tube Dobsonians are the biggest thing to happen to the astronomy market in quite some time. With the introduction of the 18" Stargate truss-tube Dobsonians, Sky-Watcher became the first telescope manufacturer to provide mass-market telescopes with this level of light gathering power. With this kind of aperture you’ll be able to view the most subtle planetary and deep sky phenomenon.
The 18" Dobsonian has a focal length of 1900mm (f/4.1) giving the amateur astronomer a wider and deeper view of the night sky. Enjoy the truss-tube Stargate Dobsonian with a 9x50 straight through findescope, eyepieces, stabilizing clamps a ribbed fabric shroud and a 2" dual speed Crayford focuser. The Stargate Dobsonian has the ability to show you views of our vast universe, with sights that'll blow your mind, take advantage of this magnificent tool.
Stargates feature Sky-Watcher’s exclusive fused conical parabolic mirrors. The fused design allows for thinner mirror construction that provides faster cooling and lighter weight. Combined with the cast cellular secondary mirror and Sky-Watcher’s exclusive 94% reflectivity coatings, Stargate delivers bright, detailed views of your favorite deep sky objects. The 18 inch model captures 27% more light than Sky-Watchers' 16 inch model, allowing for more fun at all times.
The minimalist all-metal structure of the Stargate produces a sturdy and stable platform while maintaining a convenient and compact footprint. The truss-tubes break down to a very manageable 36 inch length for easy transport. Azimuth and altitude bearings are steel and Teflon for smooth, steady movement.
Setting up a Stargate is a simple procedure, taking only about 20 minutes. Spring loaded truss anchor points are clearly labeled to eliminate any frustration or confusion. Adjustable feet make leveling a snap.
Our GoTo line of Stargates provide motorized operation in both alt and azimuth axes. Featuring Sky-Watcher’s proprietary SynScan hand controller, your scope now automatically slews to and tracks over 42,900 celestial objects from the on-board database. Sky-Watcher’s Freedom Find dual-encoder technology ensures accurate tracking while allowing you to move the telescope manually in either axis without compromising alignment. This provides a level of convenience and flexibility not available in telescopes without dual encoders.
What's in the Box
- Sky-Watcher Stargate 450 SynScan 18" Truss Dobsonian Telescope
- 2" Dual Speed Crayford Focuser
- 3 x 2.3 lbs Counterweights
- 9x50 Finderscope
- 2” 28 mm LET Plössl Eyepiece
- 1.25" 10 mm Plössl Eyepiece
- Collimation Eyepiece
- Stabilizing Truss Clamps
- Ribbed Fabric Shroud
- SynScan with 42,000+ object database
- Cast metal rocker and base
- Two Year Warranty
- Optical Design: Dobsonian
- Primary Aperture (mm): 458mm (18”)
- Secondary Diameter (mm): 120mm minor axis
- Secondary Obstruction by Area: 7%
- Mirror Coatings: 94% Aluminum
- Glass Type: Borosilicate
- Focal Length (mm): 1900mm
- Focal Ratio: 4.1
- Light Gathering (compared to next size down): Captures 27% more light than a 16” telescope
- Zenith Eyepiece Height: 74.5”
- Rayleigh Limit: 0.31
- Dawes Limit: 0.25
- Limiting Magnitude: 15.9
- Minimum Magnification: 65x
- Maximum Magnification: 902x
- GoTo: Yes
- Object Database: 42900+
- Dual Encoders: Yes
- Focuser: 2" Dual Speed Crayford
- Included Eyepieces: 28mm LET eyepiece and 10mm eyepiece
- Included Finder: 9x50
- Other Included Items: 2.3lbs counter weights (3), Shroud, Truss clamps
- Upper Cage Weight: 11lbs.
- Truss Pole Weight: 2.6lbs each. 16lbs total
- Mirror Box Weight: 62lbs.
- Dobsonian Base Weight: 66lbs.
- Fully Assembled Weight (with weights): 155lbs.
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Filed under: High-End Telescope Auctions (USA)