SK10TDK

S11620

Sky-Watcher

This Classic 250P 10" Traditional Dobsonian Telescope Kit from Sky-Watcher is simple to operate, yet provides great views of some of the most beautiful and exciting objects in the night sky. The optical tube assembly features a bright 250mm aperture and comes with two eyepieces and a finderscope. The base uses Teflon bearings and a proprietary tension control handle for smooth slewing to celestial objects.None Large 10" aperture is able to resolve dim deep-space objects like wispy nebulae and galaxies Fast f/4.7 focal ratio ensures a wide field of view, maximum light throughput Long 1200mm focal length helps to produce fast focal ratio and moderate magnification potential Borosilicate parabolic primary mirror Radiant Aluminum Quartz mirror coatings bring the reflectivity to 94% Resolution: 0.46 arcsec (Dawes Limit), 0.55 arcsec (Rayleigh Limit) 64mm secondary diameter mirror; Obstruction: 25% by diameter, 6% by area 25 and 10mm Super (modified Kellner) eyepieces, 48x and 120x magnification respectively