Nikon's 58mm f/0.95 'Z-Noct' lens shows why it created the Z-Mount
 

When you see Nikon's new Z6 and Z7 mirrorless cameras, the first thing that stands out is that massive 55mm lens mount. With the announcement of a new lens (under development), Nikon has shown exactly why it's that large. The manual focus Z-Noct f/0....

https://www.engadget.com/2018/08/23/...-z-mount-lens/