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Sky-Watcher USA

8" Flextube SkyScan GoTo Collapsible Dobsonian (S11800)

  • 1,05000

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Quick Overview

  • 8” (203 mm) Dobsonian-style Newtonian
  • 1200 mm focal length (f/5.9)
  • 2” single-speed Crayford-style focuser with 1.25” adapter
  • 4-element Plössl 25mm and 10mm 1.25” eyepieces
  • 8x50 RA erect-image finderscope
  • SynScan hand controller with 42,000 object database
  • GoTo Dobsonian base

Collapsible OTAs

Makes transportation and storage of your telescope simple and convenient

Binoviewer Settings

A Sky-Watcher exclusive feature! Preset detents makes adjusting for binoviewing a snap. No more additional optics or crazy spacers, just drop, pop and view! 

GoTo Accuracy

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


Sky-Watcher Flextube SkyScan 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 SkyscanCollapsible 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.



8 inch

Optical design

Newtonian reflector

Mirror diameter

203 mm

Mirror type

Standard parabolic

Focal length

1200 mm




8x50 straight through


25 mm (48x), 10 mm (120x)


2-inch single-speed Crayford-style

Base type

Standard Dobsonian

Tube weight (pounds)


Base weight (pounds)


Assembled weight (pounds)


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