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I would also say that the backlash on mine is minimal, far less than the Celestron focus motor I used to have on my SCT when I imaged with that scope. I keep seeing "They have lots of backlash" written about them but it is not my experience.
For visual use or manual imaging focus I would say that the backlash would be more or less irrelevant, and when used with imaging suites like SGP, Voyager or NINA (I can't comment on APT as I was not doing automated focus when I was using it) any sane amount of backlash is irrelevant and can be dialled out in software. There is no need to be precise, so long as your backlash compensation moves go the right way and are more steps than you have backlash combined in the focus motor and focuser, no problem.
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