Category Archives: Patents

Voigtlander 25mm f/2, 75mm f/1.8, 135mm f/2, and 135mm f/1.2 Patents Found

Cosina’s patent application was published on March 18, 2021. There are some examples such as “APO-LANTHAR 50mm F2”, but some of them are interesting such as “135mm F2” and “135mm F1.2”. [Publication Number] Japanese Patent Application Laid-Open No. 2021-43376 (P2021-43376A) [Publication date] March 18, 2021 [Application date] September 12, 2019 [Title of Invention] Imaging Optical System […]

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Sony WW111327 Registration Was The Sony Alpha 1

Nokishita narrowed down the registration of the WW111327 and it looks like it was for the Sony A1. This registration was first found last year here. As for Sony cameras registered in the certification body, WW111327 seems to be compatible only with ILCE-1 2.4GHz, WW728473 is compatible with ILME-FX3 5GHz, and WW558244 is compatible only […]

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Tamron 24-70mm f/4 and 90mm f/2.8 Macro Patients Found

1:1 Macro 【公開番号】特開2021-9262(P2021-9262A) click here 【公開日】令和3年1月28日(2021.1.28) 【発明の名称】撮影レンズおよび撮像装置 Embodiment 1 Focal length: 92.6989, 36.6463 mm (INF, β=1.01) F number: 2.8801, 5.7890 (INF, β=1.01) Half angle of view: 12.8942, 9.5622 (INF, β=1.01) MOD: 105.4453 mm Embodiment 5 Focal length: 87.2998, 34.1392 mm (INF, β=1.01) F number: 2.8798, 5.7893 (INF, β=1.01) Half angle of view: 13.4082, 9.2930 (INF, β=1.01) […]

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Tamron 90mm f/2.8 1:1 Macro and Tamron 24-70mm f/4 Patents Found

1:1 Macro 【公開番号】特開2021-9262(P2021-9262A) click here 【公開日】令和3年1月28日(2021.1.28) 【発明の名称】撮影レンズおよび撮像装置 Embodiment 1 Focal length: 92.6989, 36.6463 mm (INF, β=1.01) F number: 2.8801, 5.7890 (INF, β=1.01) Half angle of view: 12.8942, 9.5622 (INF, β=1.01) MOD: 105.4453 mm Embodiment 5 Focal length: 87.2998, 34.1392 mm (INF, β=1.01) F number: 2.8798, 5.7893 (INF, β=1.01) Half angle of view: 13.4082, 9.2930 (INF, β=1.01) […]

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Sigma 28-200mm f/3.4-5.6 Patent Found

It looks like we could see a new super zoom from Sigma for E-mount in the not too distant future. Embdiment 1 Zoom ratio: 7.14 Focal length: 27.99 71.70 199.93 mm F number: 3.37 4.67 5.60 Angle of view: 78.26 32.06 11.77 Image height: 21.63 21.63 21.63 mm Lens length: 144.99 161.09 220.98 mm Follow SonyAddict […]

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Multiple Sigma DG DN Standard Zoom Lenses Surface

Embodiment 1: 28-70mm F2.8 Zoom ratio: 2.50 Focal length: 28.95 45.80 72.45 mm F number: 2.93 2.91 2.92 Angle of view: 75.04 49.23 31.7 Image height: 21.63 21.63 21.63 mm Lens length: 134.00 140.25 154.38 mm Embodiment 2: 28-100mm F4 Zoom ratio: 3.50 Focal length: 28.95 54.22 101.44 mm F number: 2.84 3.41 4.17 Angle […]

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