Sky-Watcher 12" Dobsonian Newtonian Telescope
- 2" Focuser with a 1.25" Adapter
- Most Practical Astronomy Instrument
- Tension Control System
- Outstanding Light Gathering Ability
- Super-smooth Azimuth Movement
The Sky-Watcher 12" Dobsonian Newtonian Telescope is a powerful instrument that excels at wide-field views and deep-sky observations. Featuring a massive 305mm aperture and a 1500mm focal length with an ƒ/4.9 focal ratio, its remarkable light-gathering capabilities make it ideal for viewing faint celestial objects in great detail. From delicate nebulae and sparkling star clusters to distant galaxies, this "light bucket" provides a level of clarity and brightness that brings the deep universe to life.
Designed with simplicity in mind, the classic Dobsonian mount makes this telescope incredibly easy to set up and use, serving as a perfect choice for both beginners and seasoned hobbyists. There is no need for complex polar alignments—you can simply point and observe. To enhance your experience, the integrated Tension Control System lets you smoothly adjust the resistance when moving the optical tube, ensuring precise positioning and steady tracking. Equipped with a 2-inch Crayford focuser and a 1.25-inch adapter, the telescope includes both 10mm (150x) and 25mm (60x) eyepieces, offering a versatile range of magnification right out of the box.
Product Features in Detail
Elite Light-Gathering Performance
The 12-inch mirror is the gateway to "serious" visual astronomy. It gathers enough light to resolve individual stars within the core of globular clusters and reveals the subtle, mottled textures of the Orion Nebula that are often lost in smaller apertures.
Effortless Navigation
The Alt-Azimuth mount uses Teflon bearings to provide fluid movement. This allows you to track objects across the sky with a gentle touch, making the observation of moving targets like the International Space Station or fast-drifting planets feel natural.
Thermal Stability with Pyrex Glass
The primary mirror is crafted from low-expansion glass, which is less susceptible to shape changes during temperature fluctuations. This ensures that your images remain sharp and stable even as the night air cools.
Standard 2-Inch Focuser Versatility
While most entry-level telescopes limit you to small eyepieces, the 300P features a heavy-duty 2-inch focuser. This allows you to use professional wide-angle eyepieces for "space-walk" views of the Milky Way's star clouds.
High-Contrast Secondary Supports
The secondary mirror is held by four ultra-thin (0.5mm) vanes. By keeping these supports as thin as possible, Sky-Watcher has significantly reduced diffraction spikes, resulting in higher contrast on bright planets and the Moon.
Simple Balance Control
The Tension Control Handle is a game-changer for manual telescopes. It allows you to lock the telescope's position or adjust the "feel" of the movement, so the tube won't sink or rise when you swap out a heavy eyepiece for a lighter one.
| Aperture | 305mm |
| Focal Length | 1500mm |
| Focal Ratio | f/4.9 |
| Secondary Mirror Diameter | 69mm |
| Resolution (Dawes) | 0.38 arcseconds |
| Resolution (Rayleigh) | 0.45 arcseconds |
| Limiting Stellar Magnitube | 15.1 |
| Maximum Theoretical Magnification | 610x |
| Note: atmospheric seeing conditions will limit practical maximum magnification to approx 200-250x | |
| Tube Length | 140cm |
| Tube Outer Diameter | 36.2cm |
| Tube Weight | 21kg |
| Mount Type | Dobsonian |
| Base Diameter | 63.5cm |
| Base Height | 73.7cm |
| Base Weight | 17.4kg |
| Eyepiece Height at Zenith | 148.6cm |
This product comes with Limited Lifetime Warranty. 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.
12 Inches Solid Tube
Dobsonian Base
2" Focuser With 1.25" Adapter
Eyepiece - 10mm & 25mm
9x50 Finder Scope
SKU: Sky-Watcher SWDOB300
UPC: 9334046007183