https://newatlas.com/sony-alpha-a7r-iv-61mp/60626/

Sony has upped the ante considerably on its latest A7 full-frame camera. The A7R IV offers 61-megapixel resolution, 15-stop dynamic range, monster real-time autofocus in photo and video modes, twin ultra-high speed SD card slots and pixel-shift super-resolution up to 240.8 megapixels.