Nikon is rumored to announce a new NIKKOR Z 28-400mm f/3.5-6.3 ultra-zoom full-frame lens (not S-line). I’m not 100% sure about the exact aperture range – it could be a half-stop faster or slower on both ends. The lens is expected to be officially announced in 2024 (very low chance for a 2023 announcement). Stay tuned for updates.