>I had this problem only in my case it was with a D3S and 105 >f2.8. >When I had place the lens on the camera, I must have had it >cocked slightly, which caused it to jam. This while shooting a >wedding. I was able to remove the lens after about 5 minutes. >No damage to either the camera or lens mount. > >Barry >www.threepairsphoto.com
So if one mounts a lens improperly and then forces it on, is this the issue the Op is talking about?