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".
MSM20---Micro Touch Focusing System - Stepper Motor for 2.0" Feather Touch focusers, MPA, Televue, Takahashi retrofit focusers, and SCT Micro Feather Touch® Focusers Extra ...
MSM20---Micro Touch Focusing System - Stepper Motor for 3,5" Feather Touch focusers and 4" AstroPhysics Focuser Extra stepper motor unit for the MicroTouch Autotelescope focuser...
Starlight Instruments HSM30 Handy Stepper Motor with manual focus over-ride... stepper motor also for manual movement for Focuser Boss II - for 2,5" and 3" Feather Touch focusers
Starlight Instruments HSM20 Handy Stepper Motor with manual focus over-ride... stepper motor also for manual movement for Focuser Boss II - for 2" Feather Touch focusers
Lacerta OCTO-PLUS 2-inch eyepiece slide for Newton (guided on 8 ball bearings, with 1:10 microfocus unit and 2" self-centering eyepiece sleeve), for 8 inch tubes
Lacerta OCTO-PLUS 2-inch eyepiece slide for Newton (guided on 8 ball bearings, with 1:10 microfocus unit and 2" self-centering eyepiece sleeve), for 10inch tube
MSM30---Micro Touch Focusing System - Stepper Motor for 2.5" and 3" Feather Touch focusers, and 2,7" Astro-Physics Focusers Extra stepper motor unit for the MicroTouch ...
The adapter was especially developed for this telescope, but it also fits to other larger apochromatic telescopes like the ones from Long Perng and William Optics FLT151, FLT152, FLT158 and some more apos.