Canon Patent: 3.6mm f/1.2, 6.7mm f/1.4 and 12mm f/1.2 Lenses

canon patent

6.7mm f/1.4

canon patent

3.6mm f/1.2

canon patent

12mm f/1.2

Egami (translated) spotted a Canon patent for a 3.6mm f/1.2, 6.7mm f/1.4 and 12mm f/1.2 lens. Details and specs after the break.

  • Patent Publication No. 2013-210534
    • Publication date 2013.10.10
    • Filing date 2012.3.30
    embodiment
    No. Focal length Fno. Angle of view Total length Conversion
    One 6.699 1.40 90.0 9.974 21
    Two 7.499 1.00 90.00 13.919 21
    Three 7.499 1.0 74.0 13.264 28
  • Patent Publication No. 2013-210538
    • Publication date 2013.10.10
    • Filing date 2012.3.30
    embodiment
    No. Focal length Fno. Angle of view Total length Conversion
    One 3.600 1.20 120.0 6.170 Twelve
    Two 3.600 1.00 120.0 6.703 Twelve
    Three 11.997 1.6 65.5 17.959 34
    Four 7.499 1.0 74.0 13.264 28
  • Patent Publication No. 2013-210543
    • Publication date 2013.10.10
    • Filing date 2012.3.30
    embodiment
    No. Focal length Fno. Angle of view Total length Conversion
    One 3.600 1.20 120.0 6.229 Twelve
    Two 11.997 1.6 65.5 17.959 34
    Three 11.997 1.20 70.0 16.263 31
    Four 3.600 1.20 120.0 6.044 Twelve
  • Patent Publication No. 2013-210549
    • Publication date 2013.10.10
    • Filing date 2012.3.30
    embodiment
    No. Focal length Fno. Angle of view Total length Conversion
    One 3.600 1.20 120.0 6.229 Twelve
    Two 3.600 1.20 120.0 6.437 Twelve
    Three 3.600 1.20 120.0 6.371 Twelve
    Four 3.600 1.20 120.0 6.044 Twelve
    Five 3.600 1.20 120.0 6.384 Twelve
    Six 3.600 1.20 120.0 6.281 Twelve
  • Canon patent
    • Imaging device curved
      • I approach the normal angle of incidence angle
      • Radius of curvature focal length of the imaging surface, the distance of the exit pupil is approximately equal
      • Optical fiber is generated by bundling etc.
    • Wavefront control element
      • And corrects the aberration by applying a phase difference wavefront of the light beam
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