Buzzing AF in Nikkor 105 S MC?

Started 2 months ago | Discussions thread
hikerdoc Senior Member • Posts: 2,960
Re: Buzzing AF in Nikkor 105 S MC?

I don’t have the lens, but I must add that I did have a Sigma 24-105 lens a number of years back which also had a constant buzz. Service dept assured me the lens was normal and that the buzz was the stabilization magnets which were energized whether system was switched on/off and regardless of if system was engaged. I do not know if Nikon also uses electromagnets in current VR which are energized even if system is in parked position, but noise may well be the VR components.

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