What are the advantages of taking bird photos with Sony Quan Huafu A9?

The fast phase detection autofocus function of Sony Quan Huafu micro camera A9 can track the subject quickly and effectively. Through accurate contrast autofocus, the performance of fast hybrid autofocus system has been greatly improved, and fast moving objects can be captured accurately. It is beneficial to photograph birds or other objects in motion. But if you want to shoot birds, you still need a telephoto lens to shoot without disturbing the birds.