The Sony a7R IV is the fourth edition of the a7R series and includes an updated 61MP Exmor R BSI CMOS sensor and enhanced BIONZ X image processor. Up to 10 fps shooting is possible along with UHD 4K30 video recording with support for Real-time Eye AF and Tracking AF technologies. The a7R IV also updates with more robust weather sealing, the OLED electronic viewfinder has been boosted to 5.76m-dot resolution plus the 3-inch rear tilting touchscreen LCD now has a high 1.44m-dot resolution.