/Canon Patents

Canon Patents

Patent: EF-S 10mm f/2.8 BR and EF 35mm BR Optical Formula

By Richard | April 5, 2018

Canon News has found a BR related patent application (Japan Patent Application 2018-54914) that deals with a variant of the 35mm lens, but interestingly enough also contains a 10mm APS-C patent embodiment. We’re obviously not getting a new EF 35mm f/1.4L lens, but the EF-S 10mm f/2.8 prime is interesting. People have wanted a wide angle Read more…

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Patent: Canon EF-S 18-300 f/3.5-5.6 IS Optical Formula

By Canon Rumors | April 5, 2018

I’ve never been a big fan of Canon’s EF-S 18-200mm f/3.5-5.6 IS (terrible zoom creep, dust collector, not all that good optically) and would very much like to see a replacement, which I think is long overdue. Japan Patent Application 2018-54990 shows another optical formula for an EF-S 18-300mm f/3.5-5.6 IS. We believe this lens will Read more…

Patent: A New Canon EF 70-200mm f/2.8L IS Optical Formula Referenced

By Canon Rumors | April 5, 2018

Northlight has uncovered a lot of new lens patents from the USPTO, some of the more interesting ones include new glass types for various long lenses, including an example for a new EF 70-200mm f/2.8L IS. A lens we think still has a chance at coming later this year. This patent centers around the use Read more…

Patent: New Canon Teleconverters

By Canon Rumors | April 5, 2018

Northlight has found a USPTO patent showing new Canon teleconverters in development. Three different teleconverters are mentioned: TC 1.4x TC 1.8x TC 2.0x Canon News has also uncovered the teleconverter patent in Japan. Japan Patent Application 2018-54991

Canon Patent application for more apodization filter lenses

By Richard | April 1, 2018

Canon adds another patent application for apodization filtered lenses, this time for; 135/2.0 400/2.8 185/3.5 I’m not sure about the utility or expense of a 400/2.8 with such a filter, but a 135/2.0 sounds interesting. Japan Patent Application 2018-049102

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