Nikon have updated the lens roadmap for the Z series mirrorless camera system.
The 20 mm f/1. 8 S, 50 mm f/1. 2 S and 14-24 mm f/2. 8 S lenses will now definitely ship in 2020, while the 24mm f/1. 8 S has been moved from 2020 to 2019. In addition, 7 TBA lenses are now scheduled for 2021, bringing the overall total to 23.