8" Flextube Collapsible Dobsonian (S11700)
8" Flextube Collapsible Dobsonian (S11700)
8" Flextube Collapsible Dobsonian (S11700)
8" Flextube Collapsible Dobsonian (S11700)

Sky-Watcher USA

8" Flextube Collapsible Dobsonian (S11700)

Regular price
$ 755.00
Sale price
$ 755.00
Unit price

In Stock
This item dropships directly from manufacturer

If you select SkyWatcher Free Shipping when checking out, this product will ship directly from the manufacturer and will not come from our stock.

Quick Overview

  • 8" (203 mm) Dobsonian-style Newtonian
  • 1200 mm focal length (f/6)
  • 2" Crayford-style focuser with 1.25" adapter
  • 4-element Plössl 25 mm and 10 mm 1.25" eyepieces
  • 8x50 right angle erect-image finderscope
  • Solid rockermount with Teflon bearings and tension clutch for altitude
  • Teflon bearing for azimuth
  • Eyepiece height at zenith: 45.5”

    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!


    Reconciling the desire for a large aperture telescope with the reality of a limited budget is an age-old problem. But it’s a problem with an easy answer: Sky-Watcher Flextube Collapsible Dobsonians.

    Sky-Watcher USA Dobsonian telescopes deliver high-quality optics, huge aperture, solid construction and superb value. And only Sky-Watcher Dobsonians provide the extra portability and convenience of flextube collapsible optical tubes. If you’re looking for a big light bucket with a little price tag, look no further! Sky-Watcher USA has what you need.

    With apertures ranging from the ultra-portable 8 inch up to the monster light- gathering 16 inch model, all Sky-Watcher USA Dobsonians come complete with Crayford-style focuser, two Super Plössl eyepieces and finderscope.



    8 inch

    Optical design

    Newtonian reflector

    Mirror diameter

    203 mm (8 in)

    Mirror type

    Standard parabolic

    Focal length

    1200 mm




    8x50 right angle


    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)


    Personal Upgrade Path

    Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.