New Canon patent describes 22-46mm f/3.5-5.6 EOS-M lens.

This is a new lens patent describing a new EOS-M 22-46mm f/3.5-5.6 lens.

• Patent Publication No. 2014-63025
  
  
  
  • Publication date 2014.4.10
  
  
  • Filing date 2012.9.21
  
  
  
  


• Example 7
  
  
  
  • Zoom ratio 2.09
  
  
  • Focal length f = 22.10-34.22-45.19mm
  
  
  • Fno. 3.60-4.59-5.60
  
  
  • Half angle ω = 31.72-21.76-16.48 °
  
  
  • Image height 13.66mm
  
  
  • 65.76-62.07-64.72mm lens length
  
  
  • BF 28.16-36.88-45.09mm
  
  
  
  

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