10" Classic 250P Dobsonian Planisphere Our engineers addressed this by

Our engineers addressed this by designing the RASA with a removeable optical window

Apparent Field of View 50 " Barrel Size (in) 1

Process the luminance image       267

The user-friendly menu system allows automatic slewing to over 42

10" Classic 250P Dobsonian Planisphere Our engineers addressed this by10 (254 mm) Dobsonian style Newtonian 1200 mm focal length (f 4. 7) 2 single speed Crayford style focuser with 1. 25 adaptor Super 25 & 10mm 1. 25 eyepieces 950 finderscope Solid rocker mount with Teflon bearings and tension clutch for altitude Teflon bearing for azimuth Description The Sky Watcher Traditional Dobsonian Telescope 254mm 1200mm (10) has a paraboloidal primary mirror to eliminate spherical aberration and a four arm, secondary mirror