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Canon Patent For Apodization Filter

Apodization

Egami spotted a patent filed by Canon for an apodization filter. Such a filter should not decrease light and allows for phase difference detection

  • Patent Publication No. 2014-63100
    • Published Date 2014.4.10
    • Filing date 2013.9.24
  • Canon purpose of patents
    • Improvement of the blurred image by apodization filter
    • And suppress the reduction in light intensity
    • Symmetry of the permeability is achieved to ensure
  • Canon patents
    • Split the exit pupil, and receives by dividing also the imaging surface
    • The divided regions of the exit pupil, there is not, as with a filter apodization
[via Egami]
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