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Sunday, January 12, 2014

Canon Patent : Microadjustment Automated

Egami has discovered a Canon patent that performs automatic microadjustment for their DSLRs and lenses. This can be a very nifty feature if Canon decides to market this feature.

Patent Publication No. 2013-254194

  • Publication date 2013.12.19
  • Filing date 2012.5.11

Issues surrounding the AF adjustment

  • The looseness of the phase difference AF sensor, because the AF accuracy is worse, need AF adjustment
  • It is not done correctly the AF adjustment in your environment
  • Necessary facilities such as service center

Canon patents

  • Automation of the AF adjustment
  • Procedure
  • Let me be the difference adjusted value of the phase difference AF and contrast AF
  • To determine the reliability

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