A good focuser is just as important as the optics. Electronic focus control and precise mechanics are a must, especially for astrophotography. Here you will find a large selection of suitable "hardware".
This geared stepper motor has 0.0625° steps, 60 Ncm torque and little backlash, so you can focus your telescope fast and accurately with it - even with heavy imaging equipment.
Useful resolution of 0.0625° (3.75 arc min) per step
High torque for handling higher loads
Low backlash making backlash compensation easier
RJ45 socket allows using standard network cable for connecting to PegasusAstro´s Dual Motor Focus Controller
Universal L Shaped Bracket allows mechanical connection to many focusers
Supplied couplers allow mechanical connection to many focusing shafts
Starlight Adapter to 2" Schmidt Cassegrain Thread for 2" FTF20.. Focuser... best use with FTF2015BCR Scope specific adapter attaches to the 2"-24tpi thread on the rear cell of Schmidt-Cassegrain/Maksutov-Cassegrain telescopes