My concern is as follows. I set my lens to VR on and A/M. When I click on the shutter it focuses, takes the pic and all is fine until, after a second or 2 after releasing the shutter button, I hear a slightly audible click, which I assume is the sound of the VR engine disengaging. If the VR is off, I don't hear the sound at all.
I took the lens back to the vendor who said that the sound is normal but didn't provide an explanation what's causing it.