Do I have focus shift? (Image attached)

Started Feb 29, 2012 | Discussions thread
Irakly Shanidze
Irakly Shanidze Veteran Member • Posts: 5,356
Re: Do I have focus shift? (Image attached)

No, it seems that your lens is just fine. loss of sharpness after f/11 is due to diffraction. Whatever shift is there (if any) is offset by increase in the DOF
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Irakly Shanidze
http://www.shanidze.com/en

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