The latest patents from Canon, Tamron and Konica Minolta

Canon EF-M 70-400mm f:4.5-7.2 STM lens patent
Canon filed a patent for a EF-M 70-400mm f/4.5-7.2 STM lens designed for APS-C mirrorless camera.

Canon  20-100mm f:4 lens patent
Canon also filed a patent for a 20-100mm f/4 lens designed for APS-C based cameras.

Canon patent for eliminating the star trail during long time exposures
Canon filed a patent for eliminating the star trails during long time exposures of the night sky.

Tamron 18mm f:2.8 macro lens patent
Tamron filed a patent for a 18mm f/2.8 macro lens designed for 1" sensors (for Nikon 1?).

Konica Minolta filed a patent for a 14-100mm f/3.5-5.6 lens designed for 4/3" cameras.

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  • Spy Black

    Konica/Minolta getting back into the camera biz?

    • Guest

      Hopefully. But what camera has a 4/3″ sensor? Or is that a micro four thirds typo? In that case a 14-100 focal length makes sense (but I doubt many consumers were waiting for it).

      • New 4/3″ Sony Sensor

        Sony just developed a 4/3″ sensor with global shutter.
        Minolta will be back 🙂

      • Hubertus Bigend

        Not really; none of those new Sony “Pregius” sensors is 4/3″. The largest, which is also the one with the highest megapixel count, is 1.1″ and 12 MP. Nothing to see there yet, I suppose, for photography purposes.

      • Hubertus Bigend

        Konica Minolta has, for a long time but widely unnoticed, provided lenses for some of JVC’s fixed-lens camcorders, but the name does not seem to appear anymore in JVC’s current lineup of camcorders. I don’t think it is pure coincidence, though, that JVC has joined Micro Four Thirds and introduced the GY-LS300 4K camcorder with MFT mount [dpreview] in November.

        • BdV

          Couldn’t it be that they actually still develop, design and patent lenses that are being produced under the names of panasonic or olympus (or others)? They even have a patent for a 14-42 f3.5-5.6, several versions available already from panasonic and olympus.

      • Spy Black

        I think it’s perhaps generic lenses, either for a given model, or perhaps to sell as a third-party alternative, like Sigma, Tamron, and Tokina do now. That would an interesting concept if so, but I suspect they’ll just be behind-the-scenes lens makers for other manufacturers.

    • Dmitry Anisimov

      They have been publishing patents what seemed to be m43 lenses but nothing appeared on markets

  • saywhatuwill

    “Canon filed a patent for eliminating the star trails during long time exposures of the night sky.” Okay, I give up. How do they expect to do this? Is it with a 24-hour motor? If so its been done unless they’re trying to patent something like Amazon did with the portraits on a white background.

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