More Views


Skywatcher 20" Dobsonian Collapsible GOTO Computerised Telescope Star Gate


Be the first to review this product

Want the biggest consumer telescope on the market? They don't get any bigger then the Skywatcher 20" Go-To Computerised Dobsonian Telescope. Try it and be amazed and the light gathering capacity of this tube.

Dispatch in 1-3 Days


Shipping Calculator

When it comes to telescopes, bigger IS better. As a rule, any small increase in aperture diameter can mean a significant increase in image size, light collection and magnification. With a massive 20" aperture the Skywatcher 20" Go-To Computerized Dobsonian Telescope is one of the largest telescopes on the consumer market.

Featuring a collapsible truss tube on an altazimuth dobsonian base, the Skywatcher 20" Go-To Computerized Dobsonian Telescope is not only easy to use but excellent value. Coupled with a computerised Go-To mount with a built-in 42,900 object database for fast location and easy tracking, makes for a great User experience. Excellent for those who need some help finding their way around the night sky. 

Nebulae, Galaxies, Planets and Star Clusters will be highly viewable. The surface detail of planets and the individual rings of Saturn will be easily observed.  

Your Sky-Watcher product is warranted to be free of defects in materials and workmanship for one year after the date of purchase. In the event of a defect under this warranty, we will, at our option, repair or replace the product, provided that you return the product with proof of local purchase such as a receipt. 

About Sky-Watcher
Contemporary telescope-making has advanced the simple optical designs early scopes to revolutionary, state of the art. The Sky-Watcher company believes Telescopes of quality make should no longer be expensive, but accessible to everyone. Sky-Watcher philosophy has always been to bring the vast wonders of the skies within reasonable reach of anyone with enough curiosity and courage to look up and imagine. Sky-Watcher scopes come in a large range of observational applications - from 10"Dobsonians to spotting scopes for land use. 


  • Massive 20" aperture
  • 20m (Low) and 10mm (High) magnification eyepieces included
  • 9x50 Finderscope
  • Go-To Computerised Mount
  • 2" Eyepiece Compatible
  • Collapsible Tube
  • 2 Year Australian Warranty

Product Code: SKW-SWDOB500GT

Additional Information

Additional Information

Optical Design No
Mount Type Dobsonian mount
Aperture 508mm
Focal Ratio f/4.1
Eyepiece 1 20mm
Eyepiece 2 10mm
Eyepiece 3 No
Finderscope Make 9x50mm
Electronic Hand Control Yes
Motor Drive Yes
Go-To Functionality No
Focal Length 2050mm
Tripod No
Tube Length No
Highest Magnification 1000x
Warranty Information No
Additional Specifications of Product No
Shipping Dimensions No
Shipping Weight No


  • You may also be interested in the following product(s)