Interesting Video discussing his methods, pros and cons etc, Thanx for sharing that and your time with reply, answers & explanation Ahmed ..
Honestly doubt doing the deep sky stuff, been there and done that, as good as it was, I'm more intending good old visual fun and social capers as well as enjoying some planetary OSC imaging again
Had a 16" goto collapsible dob a few yrs ago, them 2 speed focusers are very handy .
Still thinking thnx mate..