Thu 09-May-13 01:25 PM | edited Sun 12-May-13 01:23 AM by jrp
This past weekend I was shooting with the Nikon 105 and suddenly I lost my auto focus. When I look through the view finder there is nothing, just a off white screen. I suspect it could be the mechanism inside as I do not hear anything at all. I am using a Nikon D300 and all my other lenses work fine. Thank you
Make sure all of the electrical contacts on the lens are projecting out the same distance. They are spring loaded and can get jammed in. You might also want to try cleaning the electrical contacts with DeOxit available at Radio Shack. Just a drop on a Q-tip is all it should take.
Even more basic, make sure that no contacts are missing. I actually had a contact fall out on my 80-200/2.8 AFS lens a few years ago. Luckily Nikon fixed it under warranty even though it happened one week after the warranty expired.
Shoot nature with respect and don't trample it or startle its inhabitants. :)
Something seems amiss, as even with AF not working you shouldn't see a white screen in the viewfinder (unless your aiming at a blank wall ? Have you tried in manual focus (for the focusing) or is there something that doesn't allow light (closed aperture) or subject (a displaced lens?) to get trough ? When holding the lens in your hand without the camera , does it rattle ?, can you see something through it ?
The only thing I can think of that would create a plain screen is the lens is stuck at one end of the focus range, possibly in the nearest range. I would think that manual focus would get it off the end if that really is the problem.