Sony a9 'real-time tracking' update makes it the highest scoring camera in its class

We were already impressed with the Sony a9 when we reviewed it, giving it a score that put it on par with its two very capable rivals, the Nikon D5 and the Canon EOS-1DX II. In April this year, nearly two years after the camera's launch, Sony introduced a significant firmware update that largely revamped the autofocus system of the camera, adding a new 'real-time tracking' AF mode that works seamlessly with face and eye detection. Sony also updated face and eye detection algorithms by using mach...