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Anyone destroyed an EF 70-300mm L?

Started Jan 7, 2016 | Questions thread
OP Dunross New Member • Posts: 6
Re: Anyone destroyed an EF 70-300mm L?

Gelbvieh wrote:

Tried and failed over the last 4 years and mine still works brilliantly.

Awesome! Mind if I ask you another question (after this one, obviously)?

I notice that my 70-300mm L makes a kind of buzzing sound when the IS is on and it's trying to focus (I'm no audio expert but I'm going to say that this buzz is at least three times louder than the sound of the lens focusing normaly). The sound is not present when IS is off. I bought the lens used so I can't be sure if this is a normal thing or a problem.

The sound doesn't bother me, but it does seem a bit out of place. Any insight would be much appreciated.

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