About Dobsonian Telescopes

The Dobsonian telescope is a design that is popular with amateur astronomers because it can make a very simple and rugged large-aperture Telescope at a low cost. The term "Dobsonian" or "Dob" generally is applied to any telescope with an alt-azimuth mount and a Newtonian telescope tube component that feature several innovations made popular by John Dobson. The telescope is quite popular among amateur telescope makers who pioneered many of its original features and it's popularity has been embrased by commercial telescope makers.