What is the use of three cameras in Red Rice note9?

One camera is the main camera, and the other three cameras are the auxiliary cameras. Without the assistance of the other three cameras, the photos taken may not be so beautiful.

1, main camera, 48 million wide-angle lens, 6P lens, Sony IMX586 sensor, large photosensitive area, ultra-high resolution, you can see more details.

2, zoom camera,12 million portrait lens, 6P lens, 2x optical zoom, portrait mode mainly depends on this,

3, super wide-angle camera,16 million pixels, 6P lens, 1 17 degrees, can shoot more content, this lens also supports 4cm macro.