Don't update to the 1.01 firmware! It breaks autofocus

Started Jun 17, 2008 | Discussions thread
Peter Jonkman Senior Member • Posts: 1,007
Re: Why? the motor is TURNING ..

But the OP told that the lens makes "a loud noise whirring noise". That sounds just like a SDM lens that utilizes the body's screw focus motor instead of the SDM focus motor. But yes, you can be right too.

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