From $1,150.00
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The Sky-Watcher Flextube 250P f/4.7 Dobsonian is a 10-inch collapsible Newtonian reflector designed for serious visual observing of deep-sky objects. With its patented truss-tube design, the telescope collapses to just 31.5 inches for easy transport while maintaining collimation, making it practical for amateur astronomers to explore faint nebulae, star clusters, and galaxies from dark-sky sites. The instrument features a parabolic primary mirror with 94% reflectivity coatings, smooth Teflon bearings, and a patented tension control handle for stable tracking, combined with a 2-inch Crayford focuser that accepts virtually any eyepiece.
| Focal length | 1200 mm |
| Secondary Mirror Diameter | 64 mm |
| Tube Type | Newtonian reflector |
| Focal ratio | f/4.7 |
| Light Gathering Power | 1235 |
| Aperture | 254 mm |
| Base Weight | 26.5 kg |
| Mirror Reflectivity | 94% |
| Included Eyepieces | 10mm and 25mm 4-element 1.25-inch Plossl |
| Optical Tube Retracted Length | 31.5 in |
| Optical Tube Weight | 33 kg |
| Optical Tube Extended Length | 44 in |
| Finderscope | 8x50 right angle erect image |
| Total Weight Assembled | 60.5 lb |
| Focuser Type | 2-inch Crayford-style |
| Mount type | Dobsonian |