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Message: <blockquote data-quote="Emmanuel" data-source="post: 198932" data-attributes="member: 16648">I made some new tests with my D7100 in order to test my inconsistent autofocus problem and I came to interesting conclusions.I took photos of three books, the most right book, is the closest to the camera, then 2 cm more far, and the last one (left book) is again 2 cm behind.I have focus on the middle book (which means that the left one is 2 cm behind, and the right one is 2 cm in front).I'm attaching two photos I took at f1.8 (I made a lot of tests, and all came with the same conclusion).We can clearly see that sometimes, the focus is +/- OK (focus in the middle book), but when I took the same photo a few seconds later (or earlier), the focus is much more closer to the right book (although the focus point is still always in the middle book).My camera has clearly an unstable autofocus problem. Sometimes is +/- OK, sometimes, it's much more focus on the right book (front).Does anyone have the same problem ?I'm wondering if this is a general problem with the D7100, or if it's a problem only with mine ?Anyway, I returned my camera to Nikon's lab for further investigation (waiting for their conclusions).[ATTACH]52828[/ATTACH][ATTACH]52829[/ATTACH]</blockquote>