Anyone else notice a major jump in centre sharpness f4 to f5.6 on the 24-105L?

Started Mar 17, 2013 | Discussions thread
robonrome
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Re: Anyone else notice a major jump in centre sharpness f4 to f5.6 on the 24-105L?
In reply to robonrome, Mar 17, 2013

Hmm this is making me think that perhaps something did get nudged when the aperture circuit was repaired.

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