I love my 2 Camera systems for different reasons, I Use Nikon and Phase one on Mamiya.

Cameras.

Nikon d3
24-70 2.8
50mm 1.4
70-210 af.
14-24afd.
lens baby2.

Mamiya 645afd2 with a phaseone p21+  cs_thompson_1207.pdf
80mm 2.8
75-150mm.
120 macro.
35mm. af.