A patent has revealed how the incoming Canon EOS R3’s eye-controlled autofocus system might work in its electronic viewfinder without affecting the EVF’s image quality.
Canon’s eye-controlled AF tech, which promises to let you move the autofocus point around the frame using just your eye, first appeared way back in the Canon EOS 5 and EOS 3 SLRs during the 90s. We haven’t seen it appear in electronic viewfinders yet, but that’s about to change – and a patent appears to have revealed how it could work.
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