Sky-Watcher 18" Dobsonian Telescope
- 458mm diameter
- 1900mm focal length
- All metal truss tube design
- Alt-Azimuth mount
- Parabolic mirror
- Includes a cloth light shroud with supporting ribs
- 5 Years Genuine Warranty with Sky Watcher Australia
- 458mm diameter
- 1900mm focal length
- All metal truss tube design
- Alt-Azimuth mount
- Parabolic mirror
- Includes a cloth light shroud with supporting ribs
- 5 Years Genuine Warranty with Sky Watcher Australia
Dobsonian telescopes are made to be popular among amateur astronomers who seek ease of use, simplicity and guaranteed elegance. Sky-Watcher now brings in a wow factor in the presence of the 18” Dobsonian Telescope with an aperture of 458mm diameter and 1900mm focal length. The remarkable light gathering power will be able to catch the most subtle night sky features. Its stylish and rigid all metal truss tube design can easily be transported when unassembled, and can be assembled in just a hefty 20 minutes. Just like its kin, it operates via Alt-Azimuth mount and parabolic mirror that limits diffraction. It includes a cloth light shroud with supporting ribs.
Ultimate DOB experience
Sky-Watcher brings to you the ultimate DOB experience with the StarGate 18 Dobsonian!
Remarkable light gathering power
Given its remarkable light gathering power, you will be able to catch the most subtle night sky features with your naked eyes.
Reasonably light
The sturdy giant is reasonably light (110Lb) despite its dimensions, and being easily assembled (30-minute setup time), the whole scope boasts remarkable transportability.
Deep space observation
If you have the appetite for exceptional planetary and deep space observation, then don't miss out on this high quality Newtonian system.
Other features
- High quality/precision parabolic mirror
- Low expansion borosilicate glass for both primary mirror & secondary mirror
- For visual observing up to 914x practical magnification, 0.25 arcsecond resolving power & 16 stellar magnitude
- Portable, quick-assemble truss structure
Included in the Box
Sky-Watcher 18" Dobsonian Telescope
5 Years Genuine Warranty with Sky Watcher Australia
Warranty Information
This Sky-Watcher 18" Dobsonian Telescope comes with 5 Years Genuine Warranty with Sky Watcher Australia.
Our products are sourced from authorised Australian suppliers and therefore come with genuine Australian warranty.
Camera Warehouse does not participate in 'Grey Market' or 'Parallel Import' activities.
| Optical Design | Newtonian Reflector |
| Aperture (mm) | 458 mm (18 in) |
| Focal Length | 1900 mm (74.8 in) |
| Focal Ratio | 4 |
| Primary Mirror | Parabolic, Low Expansion Borosilicate Glass |
| Secondary Mirror | Flat, Low Expansion Borosilicate Glass |
| Central Obstruction | 120mm, 26% |
| Highest Useful Magnification | 914 x |
| Lowest Useful Magnification | 65 x |
| Limiting Stellar Magnitude | 16 |
| Resolution (Rayleigh) | 0.28 arc seconds |
| Resolution (Dawes) | 0.25 arc seconds |
| Light Gathering Power | 4266 x |
| (Compared to Human Eye) | |
| Fully Illuminated Field | 44 mm (1.7 in) |
| Optical Tube Length | 1940 mm (76.4 in) |
| Optical Assembly Weight | 50 kg (110 lbs) |
