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A patent showing advancements in CMOS based autofocus from Canon has appeared. This patent seems to address an advanced pixel based contrast and phase AF, and even using the two together for focus adjustment. This could also be an advancement to Dual Pixel AF that Canon currently uses in various cameras across their lineup.
Patent Publication No. 2015-121778 (Google Translated)
- Published 2015.7.2
- Filing date 2013.11.21
Canon patents
- Image plane phase difference AF using 16 sub-pixels
- Light field contrast AF that uses a
- It does focus adjustment (Microadjustment) from the difference between the image plane phase difference AF and contrast AF
