SkyWatcher S11820 GoTo Collapsible Dobsonian 12-Inch


Focal Length of Eyepiece (1) 25 mm
Focal Length of Eyepiece (2) 10 mm
Finderscope 8×50 RA Viewfinder
Highest Useful Magnification 500x
Power Supply: 10 to 15V DC 1 Amp, 2.1 mm Plug (Center positive)
Motor type: DC Servo Motors
Resolution: Motor encoder: 1,620,000 counts per revolution, Main axis encoder: 11,748 counts per revolution
Slew speeds: 1.0X, 2.0X, 8X, 16X, 32X, 200X, 400X, 600X, 800X, 1000X
Tracking Rates: Sidereal, Lunar, Solar
Tracking Mode: Dual Axes Tracking
Alignment Method: Brightest-Star Alignment, Two-Star Alignment
Database: 25 user defined objects. Complete M, NGC and IC catalog, partial SAO catalogues, total 42,900 objects
Go-To Pointing Accuracy: Up to 5 arc min

12-Inch f/4.9 GoTo Collapsible Dobsonian Telescope
SynScan GoTo Hand Control & Cables
8 x 50 RA Finderscope & Bracket
2-Inch Crayford Focuser
1.25-Inch Adapter
1.25-Inch Eyepiece (1) 25 mm Plossl
1.25-Inch Eyepiece (2) 10 mm Plossl
Dust Cover
Eyepiece Tray



The patented Sky-Watcher SynScan hand controller operates the the mount at up to 5 arc minute pointing accuracy.

Sky-Watcher Flextube SkyScane GoTo Dobsonians are precision engineered instruments that allow you to easily find and enjoy viewing night sky treasures. With its patented collapsible tube design, these Dobsonians are truly the ultimate in portability and performance.

Unlike other truss tube designs, the Sky-Watcher Flextube SkyScan Collapsible Dobsonian does not need to be disassembled between uses. It transports as two compact pieces that can be assembled and ready to use in just seconds! It is easy to collimate once set up, and it holds its collimation throughout the evening!

The hand controller allows you explore the night sky at the touch of a button, allowing automatic slewing to over 42,900+ objects. The Sky-Watcher Flextube SkyScan Dobsonian series combines the convenience and affordability of the traditional Dobsonian with the convenience of a computerized Go-To telescope. SkyWatcher S11820 GoTo Collapsible Dobsonian 12-Inch.


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