Sky Watcher 12in. Collapsible Dobsonian Telescope
Factory New Condition
FFL is not required
Unit Price
$1,095.00
Quantity Available
2
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Time Left
4d +
8/24/2017 2:44 PM
Item 673719314
Location , IL 60062
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IL 9.75%   
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Sky Watcher 12in. Collapsible Dobsonian Telescope S11740 Product Code: UW-TS-S11740MPN: S11740

Ideal for all of your vast observation needs, Sky-Watcher 12" Dobsonian Collapsible Telescope is a big gun. If you are shooting for well resolved, elusive 12th-magnitude fuzzies, you now have the power. In fact, a very significant wow-factor extends down to viewing the stuff people usually concentrate on with 8" and 10" telescopes. Except they say, "WOW!", when they view through this super aperture amateur 12" SW telescope. You can not only be a hero to yourself, but a mystical guru to other backyard astronomers, scout groups, friends, and neighbors. Astronomy is a great hobby to share, and the Sky-Watcher 12" DOB Telescope makes you potentially the hit of any star party. Well, so much for ego satisfaction-the point is-the SW 12" DOB is a serious telescope that will be purchased by a serious amateur who wants serious deep-sky penetrating resolution. Be advised this Light Chariot is one sweet astronomical ride! Everything in deep-space appears brighter, and wider in extension with the Sky-Watcher 12" Dobsonian Telescope. Many of the more challenging to resolve objects in smaller diameter telescopes now reveal their essential structure. Objects just within the threshold of a 10" aperture now appear more prominent and may be worth dwelling upon for extended periods. Comet hunters will delight in the fainter magnitudes that are possible to discern in the SW 12" DOB. Here at last is a telescope within the threshold to tackle elusive deep-space gems like the Horsehead Nebula in Constellation Orion. Located in Constellation Perseus, M76, is a very faint nebula of 11th magnitude. The SW 12" will capture this baby like you want to see it. M97, a planetary nebula in Ursa Major is very faint, but as a serious amateur you will want to see it. No worries, the Sky-Watcher 12" Telescope will fulfill your quest. M61, a spiral galaxy in Constellation Virgo, will reveal spiral arms as you would hope to see them, but you will need a SW 12" telescope to resolve them well. The list goes on, and you will delight in planning your own journey of exploration. The incremental resolving power of the SW 12" aperture is beyond just being impressive, it's within amateur astronomy's super aperture threshold where the lucky observer is able to resolve well, many, many objects that smaller telescopes just don't have the horsepower to detail satisfactorily because they can't pull in enough light. Again, Sky-Watcher's compact, collapsible optical tube design makes this super aperture 12" DOB a far more practical decision to purchase. Observing with a Dobsonian has been described akin to shooting ducks in a gallery because it is so easy to find your target. Just swing your SW DOB to the quadrant of sky to be searched, and scan the vicinity. An 8x50mm Right Angle optical viewfinder provides both magnification and light-gathering to help narrow your search for those elusive fuzzies when star-hopping. The standard-equipment backlash-free 2" Crayford Focuser insures ultra smooth focusing adjustments. Multi-coated, 4-element Plossl eyepieces (25mm and 10mm) provide a spacious 52mm Apparent Field of View. 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, assuring smooth vertical and horizontal manual movement without free-play from small bumps or gusts of wind. This also eliminates the need to have a balanced optical tube as in an equatorial mount. Sky-Watcher's Teflon bearing system is preferable to the use of ball-bearings. Ball-bearings make unintended movement of the optical tube more difficult to control. Fortunately, at low power, deep-space objects leisurely drift through the field of the Sky-Watcher 12" DOB Telescope, so constant mechanical adjustment of the telescope's orientation isn't needed to keep objects in the field of view. 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 large aperture telescopes that can be reasonably handled and transported by one individual. This innovation gives Sky-Watcher users tremendous functional ease-of-transportability. The Sky-Watcher 12" DOB utilizes quality components throughout. Pride of workmanship manifests itself in high quality standards of optical and mechanical fabrication. 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. On each 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. Dust covers are provided to help keep your DOB clean when not being used. The mechanical and structural components of the OTA exhibit rigid construction and outstanding stability. The mount construction is sturdy and rigid. Mount design, while simple, facilitates smooth motions about both axes. Quality accessories enhance the observer's viewing experience. For a great way to make sure you have one of the best resources the observation industry has to offer, choose the Sky-Watcher Dobsonian Collapsible 12in Telescope.

Sky Watcher S11740: 12in. Collapsible Dobsonian Telescope

Specifications for Sky Watcher Dobsonian Collapsible Telescope:

Optical Design:Newtonian Reflector
Aperture (mm):305 mm (12 in)
Focal Length:1500 mm (59 in)
Focal Ratio:4.92
Focal Length of Eyepiece 1 (mm):25 mm (0.98 in)
Magnification of Eyepiece 1:60 x
Focal Length of Eyepiece 2 (mm):10 mm (0.39 in)
Magnification of Eyepiece 2:150 x
Finderscope:8x50 RA Viewfinder
Mount Type:Dobsonian
Highest Useful Magnification:720 x
Lowest Useful Magnification:44 x
Limiting Stellar Magnitude:14.9
Resolution (Rayleigh):0.46 arc seconds
Resolution (Dawes):0.38 arc seconds
Light Gathering Power (Compared to human eye):1898 x
Optical Tube Weight:46.2 lbs (21 kg)

Features of Sky Watcher Dobsonian Telescope:

  • 12" (305 mm) Dobsonian-style Newtonian
  • 1500 mm focal length (f/5)
  • 2" Crayford-style focuser with 1.25" adapter
  • 4-element Plossl 25 mm and 10 mm 1.25" eyepieces
  • 8x50 right angle erect-image finderscope
  • Solid rocker-mount with Teflon bearings and tension clutch for altitude
  • Aluminum plate with needle bearings for azimuth
  • Eyepiece height at zenith: 55.5"

Package Contents:

  • Sky-Watcher 12" Dobsonian Collapsible Telescope

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UPC
 
SKU
UW-TS-S11740  
Mfg Part Number
 
Weight
61.00 Pounds