Mamiya RZ 67 camera walkthrough (mostly covers Mamiya RZ II too!)

I walkthrough the main features of the Mamiya RZ 67 camera. I also discuss differences between the Mamiya RZ, Mamiya RB and other 6x7 cameras (Pentax 67, Bronica GS1, Fuji 670 cameras, Mamiya 7, Plaubel Makina).