IS blurring : does your 24-105mm f4 L have this problem?

Started Jan 10, 2013 | Discussions thread
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Peter Kwok
Peter Kwok Senior Member • Posts: 2,287
Re: IS blurring : does your 24-105mm f4 L have this problem?

By itself, the IS unit works fine.  The problem is that it causes blur when the aperture motor is closing the diaphragm.

They probably have tests for individual subsystems.  But they do not test them together.  I have to send mine back twice.

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Peter Kwok
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