Canon Patent For Apodization Filter

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]