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I have a ZWO one. You don’t specifically need a temperature probe with them as they have a sensor built in as well, though they don’t seem to advertise that. I didn’t buy a hand controller as I drive it via software for astrophotography. I have not noted any significant amount of backlash in it. I use about 100 steps to tame any backlash between it and the focuser on the scope itself.
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