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Canon Patents

Patent: Canon EF-S 9-20mm F4.5-5.6 IS

By Canon Rumors | September 21, 2015

A patent showing an optical formula for a Canon EF-S 9-20mm F4.5-5.6 IS has appeared. I would assume this was part of the development for the EF-S 10-18mm f/4.5-5.6 IS and that there isn’t another wide angle zoom coming for APS-C. Patent Publication No. 2015-31869 (Google Translated): Published 2015.2.16 Filing date 2013.8.5 Zoom ratio 2.07 Focal length Read more…

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Patent: Canon EF-S 15-53mm f/2.8-4

By Canon Rumors | September 4, 2015

This sort of lens could signal an improvement on entry level kit glass, as an optical formula for an EF-S 15-53mm f/2.8-4 has appeared. Patent Publication No. 2015-152765 (Google Translated) Published 2015.8.24 Filing date 2014.2.14 Focal length 15.40 20.46 51.00mm Fno 2.80 3.00 4.30 Half angle of view ω 41.57 33.73 14.99 ° Image height 13.66mm Read more…

Patent: Expandable LCD Display for Canon Cameras

By Canon Rumors | August 28, 2015

An odd patent for an expandable LCD display has appeared. You can expand the size of the LCD screen by moving the grip side of the camera. Patent Publication No. 2015-154223 (Google Translated) Published 2015.8.24 Filing date 2014.2.14 Rotatable operation unit The first state is a rear LCD expands and contracts, the operating face of the Read more…

Patent: Canon EF-S 100-300mm f/4-5.6 IS

By Canon Rumors | August 21, 2015

A rare patent for an EF-S lens optical formula has appeared in the form of a Canon EF-S 100-300mm f/4-5.6 IS. I’m quite interested in seeing how much development Canon puts into APS-C cameras and EF-S lenses in the coming years. Patent Publication No. 2015-138178 Published 2015.7.30 Filing date 2014.1.23 Example 1 Focal length 102.00 Read more…

Patent: Canon 10-120mm f/1.8 Lens for 1″ Sensor

By Canon Rumors | August 16, 2015

A patent showing a Canon 10-120mm f/1.8 lens for a 1″ sensor has become public. Such an optical formula may be a remanent from the XC10 development or could appear in a future video camera product. I’m sure a lot of people would have rather seen an f/1.8 lens in the XC10, instead of the f/2.8 Read more…

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