Phase Detection (View Finder focus) vs. Contrast Detection (Live View focus) in Nikon D800.

Started Oct 29, 2012 | Discussions thread
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sudarshan
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Phase Detection (View Finder focus) vs. Contrast Detection (Live View focus) in Nikon D800.
Oct 29, 2012

Need your expertise!!!
I have recently got a Nikon D800 from Amazon. As most of you know, Nikon D800 exhibits left focusing issue, so I have tried a test run with Siemens Chart and the results shows it has left focusing issue. Call Amazon and ask for replacement, they send another D800 in one day and currently I am having two D800 and testing with both of them. Next copy looks little better - it can focus all the focus points perfectly. However, out of 10 shots 3 are out of focus irrespective of focus point. Now, after doing some Google, I got to know that phase detection (when camera focus using view finder) is not reliable and it is the fact of any camera and it is the technology with a limitation whereas contrast detection (when cam focuses using sensor) is more reliable. Please let me know opinion and experience.

Regards,

Sud

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Nikon D800
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