Richard CanonNews / Thursday, December 14, 2017 / Categories: Canon Patents This post may contain affiliate links(s). An affiliate link means I may earn advertising/referral fees if you make a purchase through my link, without any additional cost to you. It helps to keep this site afloat. Thank you in advance for your support. If you like what we do here, maybe buy me a coffee. Canon Autofocus patents Canon has applied for some patents in the united states, as discrovered by northlight. US Patent 09843783 This patent deals with the difficulty of the AF phase detect sensor from determining focus, if the lens has a high amount of chromatic abberations, and discusses ways to improve the focus accuracy with lenses with less than stellar CA handling. US Patent 09843728 This patent deals with improving focus if manual focus is engaged. US Patent 09843710 This patent is the most intriguing. This deals with adding a secondary AF acquistion off of a Dual Pixel AF sensor to precisely control the focus. Richard CanonNewsRichard CanonNews Richard has been using Canon cameras since the 1990s, with his first being the now legendary EOS-3. Since then, Richard has continued to use Canon cameras and now focuses mostly on infrared photography. Richard is the founder and editor of CanonNews since 2017, and has worked as a writer on CanonRumors and other websites in the past. Other posts by Richard CanonNews Contact author Facebook page Previous Article New Supertelephoto patents found Next Article Voice command coming to a Canon camera? Print Tags: Patents Please login or register to post comments.