Below is a link to a thread I started on FM illustrating what the Mamiya 200/2.8 APO can do on a top DSLR (in my case the 1Ds2).

Since the same lens can also be mounted on Nikon (or Leica R), I thought some D3 shooters might find it interesting. Would also make a hell of a 300/2.8 APO on a D3x.