Flextube 300P Dobsonian
Sky-Watcher
From ~$1,319.79
3 stores
The Sky-Watcher Flextube 300P is a 12-inch aperture Dobsonian reflector that collects 1840 times more light than the human eye, making it ideal for visual observation of faint deep-sky objects including nebulae, star clusters, and galaxies. Its patented collapsible tube design offers exceptional portability and performance, transporting as just two compact pieces that can be assembled and ready to use in seconds. The large parabolic Borosilicate primary mirror is treated with an aluminum coating achieving over 94% reflectivity, with a secondary mirror obstruction of just 5% by area. The rocker base features Teflon bearings for smooth azimuth slewing and a patented tension control handle for precise positioning.
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Specifications
| Aperture | 305 mm |
| Focal length | 1500 mm |
| Focal ratio | f/4.9 |
| Optical design | Newtonian Reflector |
| Primary Mirror Material | Parabolic Borosilicate |
| Mirror Reflectivity | 94% |
| Secondary Mirror Obstruction | 5% |
| Focuser Type | 2-inch Crayford-style |
| Finderscope | 8x50 right-angle |
| Weight | 39.4 lb |
| Total Weight with Mount | 39.4 kg |
| Light-gathering Power | 1840 |
| Collapsed Tube Length | 36 in |
| Extended Tube Length | 55 in |
| Mount type | Alt-Azimuth Dobsonian |
| Included Eyepieces | 25mm and 10mm Plossl |