/Canon Patents

Canon Patents

Patent: Canon EF 28-560mm f/2.8-5.6

By Canon Rumors | May 20, 2016

A patent for a super zoom optical formula from Canon has appeared. We heard a few months ago that Canon was working on a replacement for the EF 28-300 f/3.5-5.6L IS. This optical formula is for a truly impressive EF 28-560mm f/2.8-5.6 super zoom. The likelihood of such a product? I’m not sure, as the lens Read more…

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Patent: CN-E 30-160mm t/2.8 LS

By Canon Rumors | May 2, 2016

Canon has filed patent for a new Cinema EOS lens optical formula. This time we get a 30-160mm t/2.8 for Super35mm sized sensors. Patent Publication No. 2016-57387 Published 2016.4.21 Filing date 2014.9.8 Zoom ratio 5.00 Focal length 32.00 100.00 160.00 F-number 2.70 2.70 3.00 Half angle of view (degrees) 24.82 8.42 5.28 Image height 14.80 Read more…

Patent: 50-300mm f/4.5-5.6 DO for EF-S & EF-M

By Canon Rumors | April 22, 2016

That patent train continues for EF-M lens optical formulas, this time we see a 50-300mm f/4.5-5.6 DO lens for APS-C sized sensors. This optical formula patent shows the lens for both EF-M and EF-S mounts. It’s definitely interesting to see diffractive optics development for consumer grade cameras. Patent Publication No. 2016-57444 (Google Translated) Published 2016.4.21 Read more…

Patent: GPS & Wifi in Metal Bodies

By Canon Rumors | April 20, 2016

We all know that the brand new Canon EOS-1D X Mark II has GPS function built in, it’s the bump you see on the top of the viewfinder. However, the camera does not have WiFi built in for various reasons, and most of them good ones, as reliability and performance is going to be way Read more…

Patent: Canon EF-M 9-18mm f/3.5-4.5

By Canon Rumors | April 18, 2016

A patent showing  a new ultra wide angle optical formula has appeared in the form of a 9-18mm f/3.5-4.5 STM. This could be a higher  end version of the EF-M 11-22 f/4-4.5 IS STM. Patent Publication No. 2016-54371 (Google Translated) Published 2016.4.14 Filing date 2014.9.3 Zoom ratio 1.90 Wide-angle intermediate telephoto Focal length 9.22 14.05 Read more…

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