New Patent: Canon EF-M 55mm F/3.5 Macro STM Lens

Canon EF-M 55mm lens patent


Canon has just filed a new patent for EF-M 55mm F3.5 Macro STM lens. This is the first Macro lens patent for Canon APS-C mirrorless cameras.

Detail translated by Google:

  • Patent Publication No. 2015-215391
    • Published 2015.12.3
    • Filing date 2014.5.8
  • Example
    • Focal length 53.73
    • F-number 3.50
    • Half angle (in degrees) 14.26
    • Image height 13.66
    • Overall length of the lens 76.39
    • BF 17.69

Source: EG

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