>I've been following this thread with interest from the >beginning, and I think I'm now in a position to air my opinion >fwiw. > >I used to shoot with a D90 until recently. I have the Nikkor >DX 18-200 mm VR11 and Sigma 150-500 mm lenses. Both these >lenses performed satisfactorily on my D90. I was recently >asked to do a wedding for a friend's daughter so I rented a >D7000 with Nikkor 24-70 mm and Nikkor 70-200 mm lenses. I put >the 70-200 lens on my D90 and gave it to my son to shoot some >wedding pics. I shot most of the wedding with the 24-70 lens >on the D7000. Comparing the pictures afterwards, it was clear >that the D90/70-200 mm combination pictures were significantly >sharper that the D7000/24-70 mm combination. At the time I >attributed it to the fact that there was no VR on the 24-70 >lens and that I perhaps didn't hold the camera still enough. >The pictures could be sharpened up well enough in post, but I >expected better sharpness out of the camera. Both these >lenses are renowned for their sharpness. > >I subsequently bought a new D7000 about a month ago and >started using my own lenses on it. I immediately noticed my >pictures were softer than I used to get with the same lenses >on the D90. Then I saw the stories on back-focusing on the >D7000 in Nikonians. I printed a focus chart and started >experimenting with both lenses. Shooting both perpendicular >to the chart and at a 45% angle while adjusting the autofocus >fine tuning, I could just not get the camera to provide >sharply focused pictures. I also noticed that live view focus >was perfect. Focusing on the same subject, the live view >focus outperformed the autofocus in sharpness every time. > >I then took the camera and 18-200 mm lens to Nikon (there's a >Nikon repair facility not far from my home). They kept the >camera/lens combination for about two weeks, and then gave >them back. Nikon commented that they adjusted the autofocus >on the camera and they also replaced the swm motor in the >lens, both under warranty. > >I went back to the focus chart again, expecting the >camera/lens combination to now perform better but to my >disappointment the results were still not good enough. So I >went through the same excercise again, fiddling with autofocus >fine tuning with both lenses. The end result is I now have >two lenses that focus well enough. The 18-200 mm lens is set >to default to -17 in the autofocus fine tuning and the 150-500 >is set to -15. Bottom line, if Nikon didn't make the >adjustments they did, neither of my lenses would provide good >enough autofocus even at -20. > >Speaking for myself, my brand new D700 straight from the >factory was faulty to the point where the autofocus fine >tuning could not compensate. I can't speak for others who >complain about back focus on new D7000 cameras, but mine was >clearly faulty. And I am very disappointed. I expected >Nikon's repair facility to get the autofocus better than what >they achieved. I think it's unacceptable that I should still >have to fine tune the autofocus after they supposedly repaired >it, especially on the 18-200 mm lens. > >Regards
The 3 different D7000 cameras I tried have the same problems your having....I also used different lenses on a D90 , D300 and D700 and had no focus problems and I did not have to use any lens focus adjustment on these models.