06-01-2016, 11:07 AM
The Pentax K-5 also "hums" in standby mode (the in-body IS).
If it's the AF I suppose that the IS group isn't mechanically locked thus it has to be actively kept in position.
FWIW, both the 16-50 and 50-140 also "rattle" if I remember this correctly.
If it's the AF I suppose that the IS group isn't mechanically locked thus it has to be actively kept in position.
FWIW, both the 16-50 and 50-140 also "rattle" if I remember this correctly.