The Sony a7 Mark III features a newly developed 24.2MP full-frame CMOS back-illuminated sensor for incredible sensitivity and dynamic range. The a7 III also includes improved AF speed, precision and tracking performance. 693 phase-detection AF points and up to 10 frames per second shooting. The ISO can be extended to an amazing 50 to 204800 (stills) and the new battery allows shooting of up to approximately 710 photos. 4K video is also included along with improved Fast Hybrid AF for movie recording.