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 […]
A new Patent was found for a Tamron 28-70mm f/2 zoom lens. Previously, there was a Tamron 28-70mm f/2 patent found here, but this one is a new one that is slightly different with a more refined and compact design, which you can check out below with a brief comparison between the two patents: Tamron’s […]
Patents were found for a Sigma 200mm F2 OS and a Sigma 300mm F2.8 OS. overview [Publication number] P2025162727 [Release date] 2025-10-28 [Title of Invention] Imaging optical system [Application date] 2024-04-16 [Applicant] [Identification number] 000131326 [Name or company name] Sigma Corporation An imaging optical system is provided that is lightweight, has excellent correction for longitudinal […]
A patent from Sony, which uses the user’s eye to select AF points, has been discovered, similar to what Canon is doing in cameras like the Canon EOS R3 and Canon EOS R1. This technology could show up on a future camera like the Sony a9IV or Sony A1III. [Registration date] 2025-10-06 [Issue date] 2025-10-15 […]
Patents were found for 3 new lenses from Tamron, including the new Tamron 25-200mm f/2.8-5.6 that development of was announced the other day as well as a Tamron 28-70mm f/2 and a Tamron 25-100mm f/2.8. You can read the patent below: overview [Publication number] P2025131290 [Release date] 2025-09-09 [Title of Invention] Zoom lens and imaging […]
A Patent was filed for a Sigma 8mm f/1.0 and a Sigma 15mm f/1.2. The Sigma 15mm f/1.2 is full frame, while the Sigma 8mm f/1.0 is either m43 or APS-C. These lenses probably won’t come out anytime soon, but you can see renderings of them above or read the patent below: overview [Publication number] […]