Skip to content

Canon Patent for new Auto-Focus System for Mirrorless Cameras and DSLR with Translucent Mirror


Egami (translated) spotted a patent filed by Canon that appears to refer to a new auto-focus technology to implement in mirrorless cameras and in cameras with a translucent mirror (like the Sony A99).

  • Patent Publication No. 2015-22264
    • 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


Back To Top


This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. If you want to know more or withdraw your consent to all or some of the cookies, please refer to the cookie policy.
By closing this banner you agree to the use of cookies.