Sony &alpha;7R IV | Another MilestoneMaximized productivity in professional portrait shooting |&nbsp;The highest-level burst speed in its classThanks to an evolutionary leap in image processing power and efficiency, the Sony Alpha 7R IV combines world&rsquo;s first high-resolution 61MP back-illuminated Exmor R&reg; CMOS image sensor with impressive shooting speeds at up to 10 fps with full AF/AE tracking, as well as beautiful 4K HDR video, wide 15-stop dynamic range and high sensitivity with area specific noise reduction.Virtuoso expression&nbsp;Sony's full-frame mirrorless &alpha;7R IV reveals ever more overwhelming photographic vision, with expressive prowess once expected only in medium-format cameras and overpowering high speed in a compact body. See how its enhanced rigidity and connectivity raise your productivity.&nbsp;Ever more inspiringEnter a whole new world of photographic expression with incomparable image quality and processing speed. A powerful new choice joins the &alpha;7R series with ever more advanced connectivity and enhanced reliability demanded by pros.&nbsp;Features:&bull; World&rsquo;s first 61MP full-frame back-illuminated Exmor R&trade; sensor&bull; 15-stop dynamic range, 14-bit uncompressed RAW, ISO 50 to 102,400510&bull; Up to 10fps continuous shooting at 61MP with AE/AF tracking&bull; Incredible autofocus: 567 phase-detection / 425 contrast AF points&bull; Real-time Tracking and Real-time Eye AF for human, animal and movie&bull; APS-...