D800 Focus Problem Continues -- Your Insight Requested

Started Nov 30, 2012 | Discussions thread
yvind Strm Veteran Member • Posts: 4,130
Re: D800 Focus Problem Continues -- Your Insight Requested

Hello John

Sorry to hear about your focus problems and your frustrations with Nikon service. I agree that it is very strange that a camera does not handle everyday objects, but require a very special set of charts to focus properly.

However, one thing that can cause this difference between expectations and actual performance is something most people fail to test. How do you know that the focus points actually are precisely where the markings in the viewfinder is? Have you tested the focus points for placement accuracy? Do you know the vertical and horizontal bounderies of the points you use for test and everyday use? Also, given that some points are vertical and some are horizontal, it is not given that they can measure what you try to have them to measure.

Just a thought.

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Kind regards

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