Description
Orion SkyQuest XX12G GoTo Dobsonian Telescope Product Info 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.
Specifications: - Best for viewing Fainter deep sky
- Best for imaging Lunar & planetary
- User level Advanced
- Optical design Reflector
- Optical diameter 305mm
- Focal length 1500mm
- Focal ratio f/4.9
- Optics type Parabolic
- Glass material Low thermal expansion borosilicate glass
- Eyepieces DeepView 28.0mm (2"),Plossl 12.5mm (1.25")
- Magnification with included eyepieces 54x, 120x
- Resolving power 0.38arc*sec
- Lowest useful magnification 42x
- Highest useful magnification 300x
- Highest theoretical magnification 610x
- Limiting stellar magnitude 15.1
- Optical quality Diffraction limited
- Finder scope EZ Finder II
- Focuser 2" dual-speed Crayford
- Secondary mirror obstruction 70mm
- Secondary mirror obstruction by diameter 23%
- Secondary mirror obstruction by area 5%
- Mirror coatings/over-coatings Enhanced Aluminum & Silicon Dioxide
- Mount type Dobsonian
- Astro-imaging capability Simple moon shots
- Computerized compatibility Go-To included
- Alignment procedure 2-Star Alignment
- Number of objects in database 42,000+
- Bearing material AZ: Thrust needle bearings ALT: Ball bearings
- Power requirement 12-volt DC (tip positive)
- Setting circles Electronic, via the hand controller
- Available ports RS-232
- Tube material Steel
- Tripod material Wood
- Length of optical tube 58.3 in.
- Weight, optical tube 47.0 lbs.
- Weight, mount/trip
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