What lens and other hardware does the mobile phone photographer use to take pictures?

The advantage of mobile phone lies in its portability. If you have a lens. Even if it is not portable, the effect is not as good as that of a camera. As far as the mobile phone camera is concerned, the small sensing area is congenital deficiency. There is a saying in photography that the bottom layer oppresses people. On the other hand, the camera lenses of mobile phones are mostly wide-angle plastic lenses. If you want to play photography, you need a camera.