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Canon Patents

Patent: Canon EF 28-200mm f/3.5-5.6

By Canon Rumors | October 12, 2015

A patent for an EF 28-200mm f/3.5-5.6 optical formula has been published. Patent Publication No. 2015-172612 (Google Translated) Published 2015.10.1 Filing date 2014.3.11 Zoom ratio 6.68 Focal length 28.90 51.17 193.10 F-number 3.63 4.39 5.88 Half angle (in degrees) 36.82 22.92 6.39 Image height 21.64 21.64 21.64 Overall length of the lens 132.70 149.90 182.70 Read more…

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Patent: Lens Tilt Shift Mount Adaptor

By Canon Rumors | October 5, 2015

Another patent showing a tilt-shift mount adaptor for the EF mount has appeared. Patent Publication No. 2015-172745 (Google Translated) Published 2015.10.1 Filing date 2014.2.20 Mount adapter with a tilt Tilt and shift Lens of long flange back Short flange back of the body Wide image circle lens Narrow of the image circle body Another patent Read more…

Patent: Canon EF 58mm f/1.4

By Canon Rumors | October 3, 2015

A new patent for an EF 58mm f1.4 optical formula has appeared. Nikon currently has a Nikkor 58mm f/1.4G. Could we be getting closer to a replacement for the EF 50mm f/1.4? Patent Publication No. 2015-172611 (Google Translated) Published 2015.10.1 Filing date 2014.3.11 Focal length 57.99 F-number 1.45 Half angle (in degrees) 20.46 Image height Read more…

Patent: Improved Sensor Based AF

By Canon Rumors | September 28, 2015

A patent showing what appears to be improved sensor based AF has appeared, this one uses some kind of “light field” processing. Patent Publication No. 2015-161785 (Google Translated) Published 2015.9.7 Filing date 2014.2.27 The image plane phase difference AF, the light field I comprises a First, it is focusing on the image plane phase difference Read more…

Patent: Pop-Up Flash With Bounce Capabilities

By Canon Rumors | September 25, 2015

A patent showing a pop-up flash with bounce capabilities has appeared. This is definitely a feature a lot of people would take advantage of in a pinch. I hope we see this in the next round of flash equipped DSLRs from Canon. Patent Publication No. 2015-166789 (Google Translated) Published 2015.9.24 Filing date 2014.3.4 Canon patents Read more…

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