rac Rac, I agree with all your points. ZWO needs to come up with a whole SCT focusing solution. One thing about the EAF right now is that it’s slow and it doesn’t have enough step range or travel range. And as slow as it is now it produces terrible mirror shift when Autofocusing, causing the stars to appear way larger than they are for a second or two, so addressing your issues (which I hope they do) will still leave the EAF unable for auto focusing, which is the only reason I, and I suspect a lot of other people bought it for. Based on your OP I don’t know if you are using it with an ASIAIR or not, if you are you will discover that the Autofocus doesn’t work because of the mirror shift introduced.
I think ZWO should invest on a used SCT telescope and conduct some real world tests on the EAF, OAG, and ASIAIR and other ZWO products and so that they can see how they actually perform. Increasing the steps, making it faster, or increasing the turn ratio would be an empty victory if the thing can’t actually be used to auto focus with the AAP if it is not also updated some how.
I did suggest that they implement a “wait” period before taking each AF measurement in the AF routine, like NINA and other programs do, to allow for the mirror shift to settle down before the star measurement is taken (which could be an option so that refractor users don’t need to enable it) but I don’t think that will ever happen.
Not trying to hijack your thread, just wanted to add that they need a whole SCT / RCT focusing solution which entails not only the focuser range and speed but also addressing the mirror shift that IT creates.