Phase Difference AF Patents for Mirrorless

Last updated: May 6, 2025 4:19 am

Published: February 11, 2015

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A bunch of new patents for phase-difference AF have appeared. They look to be related to mirrorless and EVF applications.

Patent Publication No. 2015-22264 (Google Translated)

Published 2015.2.2
Filing date 2013.7.23

Canon patent

Phase difference detection method to be received by the AF sensor can be reflected incident light from the imaging lens
The phase difference detection by the image plane phase difference AF
The phase difference detection by external light AF sensor

Source: [EG] via [NL]

TAGGED:EOS M mirrorless patent Phase Difference

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ByCraig Blair

Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.