Sony a7 III packs newly developed back-illuminated full-frame CMOS sensor. Featuring 24.2 megapixel , the latest BIONZ X image processing engine and front-end LSI to achieve data readout speed that is two times faster and a data processing capability that is 1.8 times higher. Its sensitivity ranges ISO 100-51200 (expandable up to 50-204800) and features 693 phase-detection AF points which helps in high tracking performance. A7 shoots in a continuous burst up to 10fps with AF/AE tracking and up to 8fps when shooting live-view mode. Also it supports silent shooting up to 10fps with AF/AE tracking at maximum resolution. Sony a7 is capable of recording stunning 4K movies through 2.4times higher oversampling with 3840 x2160 video resolution.