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.
|Blue and yellow in water by fireplace33|
from Ink and water
|Kylmä joki kopio by Kaappo|
from Shutter speed 1/25 or slower
|WR_2.8_13 copy copy by photoprof|