Canon Patent for PowerShot with 100x Zoom

Egami (translated) spotted a patent filed by Canon that appears to be for a PowerShot with a 100x zoom. 18mm-1768mm equivalent.

  • Patent Publication No. 2013-242430,2013-242431
    • Publication date 2013.12.5
    • Filing date 2012.5.21
  • Example 2
    • Zoom ratio 48.37
    • Focal length f = 4.30-13.30-208.00mm
    • Fno. 2.87-5.00-7.07
    • Half angle ω = 37.77-16.25-1.07 °
    • 94.75-94.56-138.99mm overall length of the lens
    • BF 10.40-19.43-10.43mm
    • 13 pieces of 10-group lens configuration
    • Two four-sided aspherical
  • Example 5
    • Zoom ratio 94.44
    • Focal length f = 3.60-14.51-340.00mm
    • Fno. 3.50-5.00-9.00
    • Half angle ω = 42.12-14.95-0.65 °
    • 95.91-97.40-165.41mm overall length of the lens
    • BF 10.48-21.86-2.28mm
    • 13 pieces of 10-group lens configuration
    • Three 5-sided aspherical

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