My 70-300 isn't focusing. Something is loose in there. I went to the Nikon site and they generated a packing slip to send the lens in for estimate. I haven't sent one in myself, but I've heard a lot ...

Making a comment to keep this post alive since I found it helpful. I just sent my Nikkor 28-300 in for repair. I'm feeling really lucky that I made it 6 years without damaging a lens other than a ...