Sigma has filed some patents for some interesting APS-C lenses which you can check out below: Overview [Publication number] P2024011096 [Release date] 2024-01-25 [Name of the invention] Imaging optical system [Application date] 2022-07-14 [Applicant] [Identification number] 000131326 [Name] Sigma Co., Ltd. [Problem] Suitable for mirrorless digital cameras and video lenses, with the refractive power of … Continue reading Sigma 14mm f/1.4, 14mm f/1.8, 12mm f/1.4, 10mm f/1.4 APS-C Patent Applications Found