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Wednesday, June 3, 2015

Canon Patent - Increase Dynamic Range With ND Filter

Egami, the Japanese photography website has discovered a new Canon patent that can increase dynamic range with a neutral density filter for only half the field of view.

Patent Publication No. 2015-87401 (Google Translated)

  •     Published 2015.5.7
  •     Filing date 2013.10.28

Canon patents

  •     Dual Pixel AF
  •     And set up a half-ND filter at the pupil position of the lens
  •     Half ND filter can be switched

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