Overview: 
The EOS R5 Mark II is a worthy successor to the incredibly versatile EOS R5 bringing a host of new features that make this the most powerful EOS 5 series camera ever.  It starts with a brand-new 45MP sensor that is back illuminated and stacked for blazingly fast read-out speeds that allow for a 30 fps electronic shutter, then builds on that with major focus improvements, increased video capabilities, and so much more. 
 
Completely NEW Canon designed full-frame back-illuminated stacked CMOS 45MP sensor.
Fast sensor read-out speeds allow for up to 30 fps electronic shutter performance.
New focus system upgrades include eye control focus, and the ability to maintain focus on a subject even when obscured briefly.
Capture video and stills simultaneously with no interruption.
Action Priority uses data to interpret the scene and predict the main subject to lock focus on it in action scenarios.
People Priority Shooting for registering up to 10 people the camera can recognize and prioritize focus of.
Capture 8K RAW at 59.94/50.00 fps, and  LOG 2.
Features the same 0.5-inch 5.76 million dot OLED EVF found in the EOS R3.
Video Menus now use Cinema EOS terminology.
Three optional battery grips are available to expand your capabilities.