The full-frame mirrorless Sony A7R IV camera is built around an innovative 61-megapixel sensor and an updated processor that provides the device with high functionality and enhanced performance. Sony has also added an electronic high-resolution viewfinder and upgraded the focus system. The “exposure compensation” selector is equipped with a lock button that was missing from the previous model.
Check out the Sony Alpha A7R IV in fine detail in our 3D-review: