What is Huawei mate40pro2000 Million Focal Plane used for?

Huawei Mate 40 Pro rear camera pixels: extrasensory camera: 50 million pixels, movie camera: 20 million pixels, telephoto camera:12 million pixels. All-pixel eight nuclear focusing further improves the focusing speed and accuracy, and can focus accurately in both sports scenes and dark scenes. Front camera pixel: extrasensory camera:13 million pixels, supports fixed focal length, integrates ultra-wide-angle lens and attitude sensor, and the smaller body is more scientific and technological. Sweep away the common problems of selfie video, such as conference, limited background space and composition defects.