Powered by F1.7 large aperture from Elephone P20

Basic parameters of P20 has been exposured by Elephone shortly before.
Not only huge 6GB RAM and huge CPU of Helio P20,  which can attract user's attention, but also for the F1.7 large aperture
So what is outstanding of F1.7 large aperture?
Some photos taken by camera of a brand smartphone which is also applied with F1.7 large aperture.
It's not hard to see that the BlurBitmapEffect of pictures shot with F1.7 aperture  is quite obvious,  and more lights are provided by the naked  environment.
Super night shooting with F1.7 large aperture is a highlights too: camera can judge the brightness precisely in the dark environment.