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Canon Patent For 45x Zoom For Waterproof Powershot D Cameras


The Canon Powershot D30 (price & specs)

4.62-205mm f/4.0-9.0
Bending optical system
Bending optical system

Egami (translated) spotted a patent filed by Canon that refers to a 45x zoom that appears to be for the water and dustproof PowerShow D compact camera series.

  • Patent Publication No. 2014-109664
    • Published Date 2014.6.12
    • Filing date 2012.11.30
    • Related 2014-109665,2014-109666
  • Example 1
    • Zoom ratio 44.41
    • Focal length f = 4.62-13.02-205.00mm
    • Fno. 3.91-6.14-9.00
    • Half angle ω = 36.14-16.58-1.08 °
    • The overall length of the lens 99.33-103.38-113.64mm
    • BF 12.11-10.81-4.28mm

 

 

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