Sony A7R IV: Full-Frame Mirrorless Camera with Unmatched Resolution and Speed The Sony A7R IV is a full-frame mirrorless camera that delivers an exceptional photographic experience. Combining medium-format level expressiveness with outstanding speed in a compact body, it redefines professional imaging. Its enhanced rigidity and advanced connectivity options ensure unparalleled productivity. Equipped with a 61MP full-frame Exmor R CMOS sensor and the BIONZ X image processor, it captures breathtaking detail, preserves every nuance, and minimizes noise like never before.