IIRC it's the 80-200 AF D is the one with Nikon TC problems, the 80-200 AF-S is OK with Nikon's latest TC's, Sigma/Kenko TC are OK with both, that's all I can remember from researching when I was looking into getting a Nikon 1.7 for my 80-200 AF D, I think K. Rockwell has a chart on his...