/Canon Patents

Canon Patents

Patent: Canon EF 600mm f/4 DO IS

By Canon Rumors | December 7, 2016

A patent for the Canon EF 600mm f/4 DO IS has finally appeared. A prototype of this lens was shown in September of 2015 at the Canon EXPO. We were also told a few months ago that the retail version of this lens could be coming near the end of 2017, though we haven’t received Read more…

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Patent: Canon Curved Sensor to Reduce Vignetting

By Canon Rumors | November 30, 2016

It looks like Canon is continuing to research curved sensors, this patent is geared towards light fall off on the sides of the sensor. Patent Publication No. 2016-197663 (Google Translated) Published 2016.11.24 Filing date 2015.4.3 The central portion of the light falloff is not noticeable to the flat shape The periphery light falloff is noticeable Read more…

Patent: PowerShot 3.8-380mm f/2.3-7 Lens

By Canon Rumors | November 28, 2016

A patent over at Egami showing a 3.8-380mm f/2.3-7 lens for a PowerShot camera has appeared.  You read that right, we have a patent for another 100x zoom lens for a PowerShot application. Published 2016.11.10 (Google Translated) Filing date 2015.3.31 Optimization of the aperture flare cut To mitigate the amount of peripheral light change To move Read more…

Patent: New PowerShot Lens, 6-22mm f/1.4-1.8 for 1 Inch Sensor

By Canon Rumors | November 21, 2016

A patent showing the optical formula for a 6-22mm f/1.4-1.8 for 1 inch sensor has appeared. This lens would have the 35mm equivalent of 28-100mm f/1.4-1.8. We expect this is for an upcoming PowerShot camera, which will likely come for CES in January of 2017. Patent Publication No. 2016-191753 (Google Translated) Published 2016.11.10 Filing date 2015.3.31 Read more…

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