Canon EF 24-70 f/2.8L II Patent?

Patent No. 2010-243636
A new patent for an EF 24-70 f/2.8L II has been published.

  • Patent Publication No.2010-243636
  • published 2010/10/28
  • filled 2009/04/02
  • focal distance 24.54-66.07mm
  • Fno=2.91-2.92
  • angle of view 82.8-36.26°
  • image circle 43.28mm
  • length 204.97-170.32mm
  • back focus 37.06mm

I’m on my phone at the moment and will search for the actual patent later.

Source: [egami]

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