Our most advanced 12" Dobsonian reflector telescope is geared up for extensive exploration of the night sky. With fully motorized GoTo and tracking drives providing automated pointing to any of the over 42,000 celestial objects in the hand controller's database, the Orion SkyQuest XX12g GoTo Truss Tube Dobsonian is truly a telescope that will keep you up at night - in a good way.
Orion designed the XX12g's optical tube and base with portability in mind. The truss tube can be divided into a small front tube section including the secondary mirror and focuser, rear tube section housing the primary mirror cell, and the four truss-pole pairs. The XX12g telescope optical tube employs a rigid 8-pole truss design that virtually eliminates flexure observed in 6- and 3-pole collapsible tube designs. Stability of the assembled XX12g Dobsonian base is enhanced by its 1" thick composite wood base panels, which are laminated with water-resistant black melamine. We've increased the portability of the XX12g compared to its XX12i IntelliScope-equipped counterpart by making the base collapsible for easy no-tools-required disassembly into four separate, smaller pieces for easier transport. The separated component pieces of the XX12g tube and base can be stored without taking up an excessive amount of space in your home, and can be transported in virtually any standard-sized car to your favorite dark-sky observing site.
The computerized XX12g GoTo system automatically slews the telescope to any of the over 42,000 celestial objects you choose from the hand controller's intuitive menus, once a simple alignment process is completed. Altitude and azimuth motors automatically track the motion of the target object so it stays put in the eyepiece field of view for extended visual study. For anyone who has spent an evening manually tracking objects with a Dobsonian this is a profound upgrade, and trust us, it was worth the wait. Forgiving of bumps and nudges, the XX12g features closed-loop electronics allowing manual repositioning, or slewing, of the telescope tube without losing alignment of the GoTo system. Redesigned heavy-duty clutches allow motion in both axes to be adjusted independently to desired level of resistance.
Collapsible Dobsonian base breaks down for easy portability and efficient storage.
Since its Dobsonian base can be separated into four pieces, the SkyQuest XX12g is a perfect telescope for on-the-go stargazers. GoTo and tracking motors are pre-installed on the base panels, making assembly and disassembly quick and easy. Once the tube and base are assembled, the reflector optical tube attaches to the base with a sturdy dovetail trunnion and locks securely in place with a single captive hand knob. Since all base and truss tube hardware is captive, you don't have to worry about leaving a screw behind after a long night of viewing in the field.
Heavy-duty clutches and forgiving closed-loop electronics make the XX12g a truly deluxe Dob.
Forgiving of accidental bumps, the XX12g's GoTo system features closed-loop electronics allowing manual repositioning or slewing of the telescope tube without losing alignment. In fact, depending on your preference you can choose to operate the telescope in either GoTo or auto tracking modes. Redesigned heavy-duty altitude and azimuth clutches allow motion in both axes to be adjusted independently to desired level of resistance.
Lightweight primary mirror cools quickly and gulps up light for big, bright views.
With 12" (305mm) of light gobbling aperture and a fast f/4.9 focal ratio, the XX12g is capable of providing clear, crisp and very bright views of the night sky. The 12"-aperture parabolic primary mirror is crafted from low thermal expansion glass for speedy ambient temperature acclimation and optimal visual performance. An included cooling accelerator fan helps hasten temperature acclimation of the primary mirror (requires 8 D-cell batteries, or other 12V power source, not included). The XX12g primary mirror features enhanced reflectivity aluminum coatings which provide 94% reflectivity with a protective quartz overcoat.
Take a motorized tour of interesting celestial objects with the SkyQuest XX12g GoTo Dob.
Following a simple alignment process, the XX12g GoTo system can automatically slew the telescope to locate any of the over 42,000 celestial objects you choose from the hand controller's intuitive menus. Altitude and azimuth motors automatically track the target object so it stays put in the eyepiece field of view for extended visual study.
Dial-in details with the XX12g telescope's dual-speed 2" Crayford focuser.
The dual-speed abilities of the 2" Crayford focuser with its 11:1 fine-focus ratio allows you to dial in precise details of any celestial denizen. Both 2" and 1.25" telescope eyepieces can be used, thanks to the included 1.25" step-down adapter. Thanks to its Crayford design, focus adjustments are silky smooth and free of backlash, even when using heavier 2" oculars. (Optional 35mm DeepView 2" eyepiece shown, sold separately.)
Enjoy wide field views of the night sky with the included 28mm DeepView 2" eyepiece.
You'll love exploring deep sky delicacies with the XX12g and included 28mm DeepView eyepiece. Its 56° apparent field of view provides a nice, wide window of sky to explore. With multi-coated optics and long 20mm eye relief, the 28mm DeepView is a great eyepiece to use for comfortable, expansive observations of the night sky.
Use the 12.5mm Illuminated Reticle eyepiece for easy and accurate GoTo alignment.
The included 1.25" 12.5mm Plossl eyepiece features an internal crosshair reticle pattern that can be illuminated for easy visibility at night. Using this powerful eyepiece to precisely center alignment stars helps improve the accuracy of the XX12g GoTo system for optimized object location and motorized tracking. The LED-illuminated double crossline reticle has adjustable focus and brightness.
A collimation cap, removable eyepiece rack, 12V DC power cable and RS-232 cable are also included.
A 12V power supply (sold separately) is required for use of the telescope's GoTo system and motors.
A specially designed Light Shroud is available (sold separately) for the Orion XX12g optical tube. A Light Shroud significantly enhances the viewing experience in a Truss Tube Dobsonian by blocking distracting peripheral light from entering the light path, optimizing contrast and brightness.
A custom Orion Padded Case Set (sold separately) is available for the XX12g Dobsonian optical tube. Each set of cases includes a padded case for the top tube section including a secondary mirror cover, a padded case for the bottom tube section, and a roll-up case to safely hold the truss-pole assemblies. An Orion Padded Case Set is the best way to preserve and protect your investment for years to come.
With the Orion SkyQuest XX12g GoTo Truss Tube Dobsonian telescope, you're amply equipped for big-aperture visual adventures, wherever you may roam.
Assembled weight (including accessories): 128.75 lbs. Assembled optical tube, 56"L x 14"W, 46.8 lbs. Bottom tube section, 26"L x 14"W, 32.2 lbs; top tube section, 8"L x 14"W, 9.0 lbs. Truss pole assemblies (4), 24"L x 4.6"W x 1.75"H. Total weight of 4 truss pole assemblies: 5.6 lbs. Base, 28"W x 33.5"H, 79 lbs. Accessories (EZ Finder II, 1.25" eyepiece, cooling fan, dust covers): 2.95 lbs. 12V battery pack included (requires 8 D-cells: not included) to power Cooling Accelerator Fan.
Astronomy Now magazine, January 2015
"This is an optically fine telescope, companioned with a very robust mount. I thoroughly enjoyed using its very able GoTo system, which never failed."
"I have never enjoyed Copernicus in such high precision. Thank you, Orion."
Meets or exceeds all California State Environmental Quality & Safety Regulations (CARB 93120 Phase 2 Compliant).
WARNING! When using a truss tube Dobsonian telescope for solar observing, always use a Light Shroud and a properly sized solar filter. When you install the Light Shroud make certain there are no gaps between the Shroud and the telescope where direct sunlight can reach the telescope mirror. When a truss tube telescope (equipped with a solar filter but no Light Shroud) is pointing near (not at) the Sun, direct sunlight can hit the mirror and focus on the solar filter or other portions of the telescope. This can lead to eye injury or damage to the telescope. Using a Light Shroud protects your telescope from peripheral sunlight.
Before using any telescope for solar observing, make sure to install all dustcaps or other protective covers on all optical components such as finder scopes to keep sunlight from passing through them. Glancing through an uncovered optical system, even for an instant, can cause permanent eye damage. Always install protective caps on all optical instruments if left out during daylight hours.
Limited Warranty against defects in materials or workmanship for one year from date of purchase. This warranty is for the benefit of the original retail purchaser only. For complete warranty details contact us at 800-676-1343.
Please note this product was not designed or intended by the manufacturer for use by a child 12 years of age or younger.
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