Sony A7R IV sensor review
The Sony A7R IV is the successor to the full-frame 42.4MP A7R III and features a newly-developed 61.2MP BSI-CMOS sensor with a native 100-32,000 ISO range (expandable to 50-102,400). Besides the higher pixel count, the A7R IV has an updated hybrid AF system comprising 567 on-sensor phase-detection AF points as well as 425 contrast-detect points, covering 74% of the image frame. It also has human and animal real-time eye (detection) AF, and features continuous shooting at up 10 fps, with full AF/AE tracking for bursts up to 7 seconds.
Although the body shape is familiar, Sony has done some upgrading to ...