here for the old Sidereal Technology website!
Click Here for
Bartels site (BBAstroDesigns).
If you send him an email, ask him how ScopeIII's coming!
Technology controllers can be found
on these quality products:
Equatorial Platforms by Tom
Goto conversions for your existing mount by Lenord Stage
Corrected Dahl-Kirkham telescopes by Planewave Instruments
Banich's 28 inch scope: