As rumored before, Nikon will announce new mirrorless cameras in late 2017 t0 early 2018. These new Nikon mirrorless cameras will have all new design compared to Nikon 1 mirrorless cameras. A new patent in Japan shows that upcoming Nikon mirrorless cameras may use AF mount adapter with pellicle mirror and PDAF sensor for the current Nikon F-mount lenses.
According to the patent, this mount adapter looks like Sony’s LA-EA4, but with PDAF area, not line, image sensor.
via: So-net