Nikon’s patent US20170261728 contains calculations for various mirrorless f/2.8-4 lenses designed for various sensor sizes (FX, DX, 2x crop factor and 1″): Nikon FX mirrorless lenses: 24-85mm f/2.8-4 24-105mm f/2.8-4 24-70mm f/2.8-4 Nikon DX mirrorless lenses: 16-60mm f/2.8-4 16-70mm f/2.8-4 16-50mm f/2.8-4 18-55mm f/2.8-4 Lenses for 2x crop factor: 12-40mm f/2.8-4 Lenses for 1″ sensor: 9-35mm … Continue reading The latest Nikon patents: mirrorless lenses, curved sensor and more