Sony’s newly unveiled a7S III is a video-focused full-frame camera with a 12MP BSI CMOS sensor offering with “blazing fast readout speeds” and a native ISO range of 80-102400, notes PetaPixel. This sensor, paired with a new BIONZ XR processor, can capture 4K/120p and 4K/60p video at 10-bit 4:2:2 with …