I've been using Z7 for a few months, but only today noticed a sounds produced by IBIS
1. When IBIS is ON, there is a small machinery working inside the camera - a quiet noise of friction and wobbling.
2. When I disable and enable IBIS in the info panel there is a clunking sound as if something gets engaged/disengaged. This was tested with 24-70 S lens attached.
Functionally IBIS is working well, but I didn't notice these sounds previously, so am a bit alarmed.
Have you noticed similar sounds?