I'm currently shooting Nikon Df and Panasonic MFT.
While I do like my Nikkor 105 DC on my DF, I actually like it better on my micro four thirds camera. While the DC on the front of the smallish Panny camera is a bit front heavy, I can put up with it because of the improved rendering (at least to my eyes) on the Panny camera.
The secret to unleashing the 105 DC's ultimate IQ on a MFT body is to use a NIKON G/F TO BMCC .64X "Metabones Speed Booster" between the lens and the camera. The resulting image has a shallower DOF, and I believe the image to be sharper too. I prefer the field of view better too. This "special" Speed Booster will only work on a MFT camera if shooting with the electronic shutter (because the rear element protrudes so deeply into the camera that it interfers with the mechanical shutter). I have tried the "Nikon G/F to MFT Metabones Speed Booster", and prefer the IQ I get with the "Nikon G/F to BMCC" version.
