D700 AF problem
I wrote to Thom Hogan and according to him, this is how all Nikon cameras operated for last 20 years. The only way to avoid it is to set the AF off on the lens or on the camera body.
I've just decided to switch to manual focus after I've auto-focussed at a particular distance.
|Sit on rainbow by frapeace|
|Icelandic landscape by BoDrey|
from Best Landscape of the Week 1