Sigma Patent Discovered: Ultra-Fast 24mm f/1.2 and 28mm f/1.2 Lenses on the Horizon? Sigma is no stranger to pushing the boundaries of optical design, especially when it comes to their acclaimed Art series for full-frame mirrorless cameras. A newly uncovered patent (JP2025-167449) reveals that Sigma is actively exploring some incredibly fast wide-angle prime lenses: a […]
Patents were found for a Sigma 28mm f/1.2 and a Sigma 24mm f/1.2. You can check out the patent below: overview [Publication number] JP2025-167449 (P2025-167449A) [Release date] November 7, 2025 (2025.11.7) [Title of invention] Imaging optical system [Application date] April 26, 2024 (2024.4.26) [Applicant] [Identification number] 000131326 [Name or company name] Sigma Corporation An imaging […]