Canon EOS R3 patent finally explains how eye-controlled AF might work
Canon EOS R3 patent finally explains how eye-controlled AF might work Canon’s mirrorless camera comes into focus When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. A patent has revealed how the incomingCanon 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....