Nikon will announce two new Z-mount full frame lenses next week along with Nikon Z9. This two new lenses are:
According to rumors, Z 100-400mm f/4.5-5.6 IS S lens will be the official announcement. While Z 400mm f/2.8 S lens will be a development announcement.
via: NR
See also: Nikon Black Friday & Cyber Monday 2021