Skywatcher 20 Dobsonian Collapsible GOTO Computerised Telescope Star Gate
When it comes to telescopes, bigger IS better and the Skywatcher 20" is certainly falls into that category, the 20" is a full goto tracking Dobsonian style telescope.
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.
- 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
SPECIFICATIONS
| Model | SWDOB500CGT |
| Optical Design | Newtonian (parabolic primary mirror) |
| Aperture | 508mm (20″) |
| Focal Length | 2000mm |
| Focal Ratio | f/3.9 |
| Secondary mirror diameter | 136mm |
| Obstruction | 26.8% |
| Resolving Power | 0.24″ |
| Stellar Limit Magnitude | 16.2 |
| Highest Practical Magnification | 1016X |
| Light gathering power (compared to the unaided eye) | 5267X |
| Focuser | 2″ Crayford dual speed with 1.25″ adaptor |
| Telescope Tube Weight | 45.4kg |
| Telescope Mount Weight | 29.8kg |
| Telescope Weight | 75.2kg |
Product Code: SWDOB500GT
| Optical Design | Newtonian Reflector |
|---|---|
| Focuser Type | Crayford |
| Telescope Weight | 75kg |
