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Firmware Update

Canon 10-22mm Liquid Lens Patent

Canon 10-22mm Liquid Lens Patent surfaced over the web, take a look at the details below…

Canon Patent Details —

Patent Publication No. 2014-145883

  • Published 2014.8.14
  • Filing date 2013.1.29

Example 4

  • Zoom ratio 2.07
  • Focal length f = 10.30-13.12-21.35mm
  • Fno. 3.23-3.62-4.63
  • Half angle ω = 52.86-46.03-32.50 °
  • Image height 13.60mm
  • Overall length of the lens 135.13-133.91-135.09mm
  • BF 0.15mm

Canon patent of

  • The shape of the interface is to variable and varying the power
  • Zooming, and has refractive power and becomes positive element, the element is negative

To reduce the variability of field curvature

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