/Canon Patents

Canon Patents

Patent: EF-M 55-300mm f/4.5-5.6 DO IS

By Canon Rumors | January 8, 2016

Canon continues to develop diffractive optics technology, and this time it’s for the EF-M mount. A patent for an EF-M 55-300mm f/4.5-5.6 DO IS optical formula has appeared. The lens is for APS-C mirrorless cameras. Patent Publication No. 2015-232674 (Google Translated) Published 2015.12.24 Filing date 2014.6.11 Zoom ratio 5.27 Focal length 55.04 135.00 290.01 F-number Read more…

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Patent for Moving Sensor Switch?

By Canon Rumors | January 6, 2016

A patent that seems to show a switch that will move a camera from mirorrless to DSLR mode has been published. Keith over at Northlight provided the animation above and this explanation: Short back focus lenses such as EF-M allow you to put the sensor much closer to the lens, reducing body depth. However, unless Read more…

Patent: Canon EF 24-300mm f/3.5-5.6

By Canon Rumors | January 3, 2016

Another patent for a full frame superzoom has appeared from Canon. We’ve written about the development of such a lens a few times since May of 2015, most recently this past November, and we continue to see more patents for such a lens. Patent Publication No. 2015-215438 (Machine Translated) Published 2015.12.3 Filing date 2014.5.9 Focal Read more…

Patent: CN-E 70-200mm T/2.8

By Canon Rumors | December 28, 2015

A patent has been filed for a new cinema lens, a CN-E 70-200mm t/2.8. Any announcement for new Cinema EOS products will likely come in March ahead of the NAB show in Las Vegas in April. We expect Canon to be showing their new 8K replacement for the Cinema EOS C500 along with a few Read more…

Image Sensor & Lens Patents from Canon

By Canon Rumors | December 27, 2015

Northlight Images has spotted a couple of interesting image sensor patents from Canon, along with the USPTO patents for various Canon lenses. Image Sensor Patents On chip A/D conversion [USPTO] Improving pixel based AF in bright light [USPTO] As we’ve said a lot over the last while, we do expect some big jumps in Canon Read more…

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