The Orion SkyQuest XX16g GoTo Truss Tube Dobsonian Telescope features an f/4.4 focal ratio. Included accessories comprise a 2" dual-speed Crayford focuser, a 28mm eyepiece, and a 12.5mm eyepiece. The ...

The Dobsonian, John Dobson’s sidewalk telescope mount design more commonly referred to as a Dob, has evolved significantly since its first commercial introduction in the 1980s. Many of us remember the ...