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Patent: Eye-control focus in an EVF, this will appear in the Canon EOS R3 | Canon Rumors

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Canon News has uncovered a patent that shows how Canon plans to add eye control focus technology in the upcoming Canon EOS R3 EVF.

From Japan Patent Application 2021-076832:

… an object of the present invention is to propose an optimum arrangement of the EVF in the image pickup apparatus, which is provided with the EVF and can suppress the deterioration of the operability of the image pickup apparatus provided with the line-of-sight input function.

Canon is using a small image sensor that is positioned on the side of the main display in the EVF and using a diving prism to direct light to this sensor. IR LEDs illuminate your eye for pupil detection and are located around the main EVF display.

patentevf 02 - Patent: Eye-control focus in an EVF, this will appear in the Canon EOS R3

The image above shows the path of the IR light being sent to your pupil for detection by the eye control sensor.



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