/Canon Patents

Canon Patents

Patent: Canon Patents New Type of Focusing Screen

By Canon Rumors | February 1, 2017

Canon appears to be developing a new type of brighter focusing screen according to a recent patent. Keith over at Northlight appears to have done the legwork in breaking down the patent. A Canon patent looks at making less regularly spaced micro lenses for, amongst other things, a brighter view Improved brightness in a viewfinder Read more…

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Patent: More Curved Sensor Information

By Canon Rumors | December 30, 2016

Canon continues to roll out the curved sensor patents. This one gives more information on how to control the adjustable curvature in previous patents. Patent publication number 2016-213571 (Google Translated) Release date 2016.12.15 Application date 2015.4.30 Curved state based on the measurement result of the bending state to control the Measurement method is pressure sensor, Read more…

Patent: Canon PowerShot 12-60mm f/2-4 for 1.5″ Sensors

By Canon Rumors | December 28, 2016

An optical formula for a 12-60mm f/2-4 for 1.5″ sensors has appeared. Egami is suggesting this development could be for the PowerShot G1 X Mark II successor, as that lens is 12.5-65mm f/2-3.9. Patent publication number 2016-212248 (Google Translated) Release date 2016.12.15 Application date 2015.5.8 Zoom ratio 4.72 Focal length 12.84 20.16 60.62 F number 2.06 Read more…

Patent: Canon EF 135 f/2L w/Apodization Filters

By Canon Rumors | December 26, 2016

Canon has filed a patent for an EF 135mm f/2L optical formula with apodization filters. From Wikipedia (Via TDP): Apodization is an optical filtering technique, and its literal translation is “removing the foot”. It is the technical term for changing the shape of a mathematical function, an electrical signal, an optical transmission or a mechanical structure. In Read more…

Patent: Canon 3.6-255mm F2.8-7 w/ Built-in Extender for PowerShot

By Canon Rumors | December 25, 2016

An interesting lens patent for a PowerShot camera has appeared, in the form of a Canon 3.6-255mm F2.8-7 lens with a built-in extender that can make the lens 2000mm f/10 when converted to 35mm. Patent publication number 2016-212210 (Google translated) Release date 2016.12.15 Application date 2015.5.7 Zoom ratio 66.07 Focal length 3.71 10.16 245.00 F number Read more…

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