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Canon filed 135mm f/2 lens Patent with apodization filter

December 27, 2016 Written by admin

 

135mm-f2

Canon filed a new Patent for a 135mm f/2 lens with apodization filter. The basic work of apodization is to generate eye-pleasing bokeh and also helps to reduce vignetting from the image.

  • Patent publication number 2016-218444
  • Release date 2016.12.22
  • Application date 2015.5.20
  • Example
  • Focal length 130.98
  • F number 2.06
  • Field of View 9.38
  • Image height 21.64
  • Lens total length 159.05
  • BF 53.99
  • Canon patent
  • Even in the presence of vignetting, a good blurred image at all angle of vi

Via-Egami

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