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Sky-Watcher 12" DOB: Deep-Space Hero!
The Sky-Watcher 12" DOB 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 a SW 12" DOB 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!
Viewing Through the SW 12" DOB
Everything in deep-space appears brighter, and wider in extension with the SW 12" DOB. 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 SW 12" DOB 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.
The 12" Sky-Watcher Establishes a New Standard in Large Aperture Ease-of-Use
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 52? 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 SW 12" DOB, 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.
Details:
| Optical Design | Newtonian (Parabolic) |
| Lens Material | Grade A annealed Glass |
| Aperture (Diameter) | 305mm |
| Focal Length | 1500mm |
| F-Ratio | F/5 |
| Secondary Mirror Diameter | 70mm |
| Highest Practical Power | 610x |
| Resolving Power | .38 arc sec |
| Finderscope | 9X50 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 w/ Tension adjust. |
| Counterweight(s) | NA |
| Piggyback Bracket | NA |
| Accessory Tray | Standard |
| Ground Board Diameter | 632x740 |
| Ground Board Weight(s) | 18.5Kgs |
| Motor Drive | NA |
| Go-To | NA |
A highly recommended telescope for the: Beginner, intermediate or professional Amateur Astronomer!
Great for starhoping and learning the night sky!
*The telescope still has all it's original packaging and boxes, and is currently boxed in its origional state as when I received it. Telescope is still in an "Excellent Condition"! Buy it and see for yourself...
*P.S I will also include a trolley made for the telescope for easy movement thereoff worth R500, and a GSO 2" Superview 32mm eyepiece worth R400 at no extra charge...Yes for free!
Reason for Selling:
Need the money, but not the telescope!
