Sigma Patent P2026082399: 125-700mm F6.3-9 and 150-600mm F5-6.3 Lenses Revealed A recently published patent from Sigma (P2026082399) reveals that the company is actively developing new super-telephoto zoom options, pointing toward some exciting future glass for E-mount shooters. Published on May 19, 2026, the application outlines the optical formulas for multiple lenses, most notably a 125-700mm […]