Canon EOS R1 could be first camera with Quad Pixel AF, new patent suggests
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Summary
Patent adds more fuel to the Quad Pixel AF rumorsA new patent suggests that Canon is stepping up its plans to develop a next-gen autofocus system, with rumors tipping the Canon EOS R1 as the most likely pioneer of the new tech.As spotted by Asobinet and Canon Rumors, a Canon patent (see below) was published on January 6 for a new focus detection method that shows so-called "dual cross" autofocus points within a quad-pixel structure. This leap forward from Canon's current Dual Pixel AF tech would theoretically make it even more reliable at locking onto horizontal and vertical edges (which can still be a weakness on the latest mirrorless cameras), whatever orientation you're holding the camera in.While it's just a patent and there's naturally no specific reference to the Canon EOS R1, Canon Rumors says it "thinks we'd see such technology appear on the Canon EOS R1 first".
As said here by Mark Wilson