Canon Patent P2026072135 Discovered: New RF 24mm f/3.5, 17-24mm f/4, and 100-400mm f/4.5-5.6 Optical Formulas A new patent application out of Japan (P2026072135) has surfaced, revealing that Canon is actively exploring several new lens designs for the full-frame RF mount. The patent literature details the optical formulas for three distinct lenses: an ultra-wide zoom, a […]