Is it another focusser that means it can not be dis-connected to use manual focus and you are stuck with it, I wouldn't use and electronic focusser that can not instantly dis-engage to allow manual focus and re-engage
https://youtu.be/o7VXcG6hmFA
Now adding one to my 120 triplet £45
https://www.tringastro.co.uk/skywatc...AaAkswEALw_wcB