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next PZ lens test report: Sigma AF 50mm f/1.4 EX HSM DG (full format)
#35
[quote name='Klaus' date='07 June 2010 - 12:35 PM' timestamp='1275910547' post='304']

A focus shift at max. aperture isn't really possible by definition. In this case you've "just" a back-/front-focus problem.

That said it can be calibrated this way on purpose assuming that it hides the worst at smaller apertures.

[/quote]



Yes, I know that. It is just a figure of speech. <img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/sad.gif' class='bbc_emoticon' alt='Sad' /> But the fact remains that calibration was not successful for all distances and all AF points.



Happy shooting,

Yakim.
  


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next PZ lens test report: Sigma AF 50mm f/1.4 EX HSM DG (full format) - by Yakim - 06-13-2010, 11:41 AM

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