sony a7r iii 42.4mp full-frame mirrorless interchangeable-lens camera (certified refurbished) sony powerful 42 mb image processor captures beautiful images record professional-quality ultra-high definition 4k video continuous shooting at full resolution at 10 fps bionz x image processing engine provides a dramatic increase in system speed quad-vga oled tru-finder with approximately 3. 69 million dots for fine detail and high contrast wi-fi and nfc functionality for wireless control and file transfer optical image stabilization reduces or eliminates image blur and shaking in video footage