Category Archives: Patents

Sigma Patent Discovered: Ultra-Fast 24mm f/1.2 and 28mm f/1.2 Lenses on the Horizon?

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 […]

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New Sony Camera Registration Found

A New Sony camera registration has been found for the WW847606. The only confirmable details are below: Sony has registered a new device in Japan, WW847606, which supports a 160MHz bandwidth and uses the WiFi 6 BIONZ XR2 processor. Further details are currently unknown… via weibo

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PATENT: Sigma’s Triple Threat! 28-105mm, 28-85mm, and 35-150mm F2.8 Found in P2025182227

Sigma 28-105mm f/2.8 ART: B&H Photo / Amazon / Adorama Sigma has just had a new patent published (JP 2025-182227) which appears to contain the optical formula for the recently released 28-105mm F2.8 DG DN | Art, along with a few other fascinating sibling lenses that haven’t hit the market—yet. The patent, published on December 15, 2025, describes a “Variable […]

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Sigma 28mm f/1.2 and Sigma 24mm f/1.2 Patents Found

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 […]

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New Tamron 28-70mm f/2 Patent Found With a More Compact and Refined Design

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 […]

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Sigma 200mm F2 OS and 300mm F2.8 OS Patents Found

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 […]

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