A20-241—Adapter 2.0" for ORION Sky Quest, XT Intelliscope telescopes with bottom mounting hole not circular
Scope specific adapter fits into Orion Sky Quest Base 8″, 10″, 12″, 14″XT Classic, XT Intelliscope telescopes with bottom mounting hole not in a complete circle. Early 2013 Orion/SkyWatcher changed the design of their stock base. This new base has the bottom mounting hole that is not in a circular pattern.
Click the below link which shows a picture of the new new stock base that shows the bottom mounting hole NOT in a circular pattern.
Use with focuser FTF2025BCR
Known To Fit Orion/SkyWatcher Dob with new style Jan. (2013) stock base