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Yet another Canon patent for the EOS M system, it’s an EF-M 16-50mm f/3.5-5.6 IS STM

EF-M 16-50mm f/3.5-5.6 IS STM

It appears Canon is filing one patent for EF-M lenses after the other. Here is another one for an EF-M 16-50mm f/3.5-5.6 IS STM lens.

I can’t say if this optical formula has something to do with the already available EF-M 15-45mm f/3.5-6.3 IS STM lens. Maybe it was a patent obn the road to the 15-45mm. However, Canon appears to be definitely commited to the EOS M system.

  • Patent Publication No. 2016-118658
    • Published 2016.6.30
    • Filing date 2014.12.22
  • Example
    • Zoom ratio 2.88
    • Focal length 16.51 21.00 47.49
    • F-number 3.49 3.77 5.80
    • Half angle of view (degrees) 39.61 33.04 16.05
    • Image height 13.66 13.66 13.66
    • Overall length of the lens 82.00 77.35 84.14
    • BF 10.70 10.70 13.31
[via Egami]
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