The bearing serves to minimize focus shift (unwanted lateral motion of the primary mirror during focusing which causes shifting of the image) and mirror flop (movement of the primary mirror when the telescope is pointing to different positions in the sky)
aim the pointed end up and face north to see which constellations are rising
2“ BARREL (MM) 21 mm SLIP PROTECT SAFETY Safety Kerfs EYEPIECE BODY ABOVE REFERENCE PLANE (MM) 102 mm LENGTH OF 1¼" BARREL (MM) 24 mm LENGTH OF 2" BARREL (MM) 21 mm OUTER DIAMETER 55 mm OPTIONAL ACCESSORIES Dustcap Storage Holster SPECIAL FEATURES Photo-luminescent engraving: lets you find the correct eyepiece at all times INCLUDED ACCESSORIES Cordura eyepiece holster for fast access OUTER CONNECTION (EYEPIECE/-CAMERA-SIDED) Thread
All-Star allows users to choose any bright star
SE combines the classic heritage of the original orange tube telescopes with the latest state-of-the-art features
Sky-Watcher 6" 150P Classic Dobsonian Telescope- S11600 temp-no-channels-products The bearing serves to minimizeAbout the Sky Watcher 6" Classic Dobsonian Telescope Dobsonian telescopes are such a great deal when it comes to light gathering versus cost! Simple to use, the Sky Watcher 6" Classic Dobsonian is perfect for the beginner, an older child, a classroom, or frankly, anyone who wants a straightforward telescope with 6" of aperture for a relatively small investment. This Skywatcher 6" Dobsonian telescope is called a "Classic" because the telescope portion