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Doesn't sound normal Mike. In the two RF units I've owned, the focusers have had no rotational movement. There should be no push/pull movement of the draw tube with the RF engaged. The stepper should hold the draw tube firm in place. Might be something specific on the XTn. Had not problems with the NGFC. As Roger mentions you can use the RF control panel or FocusMax to address this, but it would be better to resolve the issue instead of compensating for it.
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