Patent: Canon Macro Ring Flash

Patent: Canon Macro Ring Flash

A patent for what appears to be a new Canon ring flash has appeared.

We may see a new ring flash with the new macro lens in 2014. We’ve heard about the possibility of a zoom macro lens, but we can’t confirm the information at this time.

  • Patent Publication No. 2014-13350
    • Publication date 2014.1.23
    • Filing date 2012.7.5
  • Existing ring strobe
    • Xenon tube
    • Process to bend the arc shaped glass tube cylindrical difficult
  • Canon patents
    • There are two areas in light of the strobe
    • Light flux from the first region is subject to direct
    • Toward the object light beam from the second zone enters the prism, and then reflected inside
    • Provided with a step stepped on the reflecting surface, by changing the pitch of the step, it is possible to adjust the distance between the emission point

Source; [EG]

cr

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