Compare prices on Sony a7R II III vs a7R vs Panasonic vs Nikon S1R Z7 vs D850: https://ek.ua/u/uHI5O/a
Sony a7R IV – the latest full-frame (FF) mirrorless cameras in the lineup. Resolution BSI (back-illuminated) sensor – 61 MP. Autofocus hybrid phase and contrast sensors with support for Real Tracking AF with auto focus on face and eyes of humans and animals, which works both in photo and in video. So this is the first time realized among the Sony cameras.
There is a mode shift matrix, which is 16 pictures of them on a PC with the software you can glue one on 240 MP
Compare prices on Sony a7R Sony a7R vs III II vs Panasonic S1R Z7 vs Nikon vs Nikon D850 here.