>It sounds like your D7000 has developed a fault, since you're >seeing focus errors and invalid distance information. The >first thing to try would be cleaning the row of electrical >contacts in the lens mount area, but if that doesn't improve >things a trip to service may be in order. > >Whatever you may have read elsewhere, there is no general >focusing problem affecting the D7000 - so let's concentrate on >fixing your camera
Thank you very much for the contact cleaning suggestion. This is the kind of sound and helpful advice and response these sites need more of. I'll try it and hope it solves the problem. Other respondents have asked for more input and had more suggestions and in the interest of efficiency, I'm going to address those here as well. all the images I've checked were between 1and 5 meters. most with a 14-24 2.8. Some test shots with a 50 1.8. Both these lenses have performed quite satisfactorily on this body in the past and are still doing perfectly on my D700.