D800 Focus Theory

Started Apr 18, 2012 | Discussions thread
Regular MemberPosts: 176
Re: D800 Focus Theory
In reply to russbarnes, Apr 18, 2012

If this is true, an object at the same distance as the object focused by the left hand af point should be sharp if it's in the center of the frame. Quite simple to test, just setup some targets on a flat surface like a wall, one at the side af point and one center. Focus on the side object with the left hand af point and examine the center object in the file. Is it sharp? Then yes, af isn't the issue. If not the af is indeed problematic.

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