Classic Dobsonian 10 Inch - S11620
Sky-Watcher
From $910.00
3 stores
In stock
The Sky-Watcher Classic Dobsonian features a paraboloidal primary mirror to eliminate spherical aberration and a four-arm secondary mirror bracket with fine 0.5mm supports to reduce diffraction spikes and light loss. This simple yet effective design is perfect for visual observation of faint objects, such as nebulae, star clusters, and galaxies. The base uses Teflon bearings for smooth azimuth slewing and a patented tension control handle to lock the telescope in place. The model includes a 2-inch focuser with a 1.25-inch adapter, allowing the use of either eyepiece size.
Specifications
| Primary Aperture | 254 mm |
| Mirror Reflectivity | 94% |
| Optical Tube Diameter | 11.375 mm |
| Dawes Limit | 0.46″ |
| Focal ratio | f/4.7 |
| Base Dimensions | 29 mm |
| Finderscope | 9x50 |
| Secondary Obstruction by Diameter | 25% |
| Base Weight | 25 kg |
| Mirror Type | Borosilicate |
| Total Weight Assembled | 53 lb |
| Highest Useful Magnification | 508 |
| Secondary Obstruction by Area | 6% |
| Optical design | Newtonian |
| Limiting Stellar Magnitude | 14.7 |
| Included Eyepieces | 10mm and 25mm Kellner, 1.25-inch |
| Focal length | 1200 mm |
| Secondary Diameter | 64 mm |
| Optical Tube Length | 45 mm |
| Mount type | Dobsonian |
| Focuser Type | 2-inch Crayford |
| Focuser Adapter | 1.25-inch |
| Optical Tube Weight | 28 kg |