New Patent: Canon EF-M 55-300MM F/4.5-5.6 DO IS Lens

EF-M 55-300MM F4.5-5.6 DO IS patent

Canon has just filed a new patent for EF-M 55-300MM F/4.5-5.6 DO IS Lens. This is the zoom telephoto lens for Canon APS-C mirrorless cameras.

Detail translated by Google:

  • Patent Publication No. 2015-232674
    • Published 2015.12.24
    • Filing date 2014.6.11
  • Example
    • Zoom ratio 5.27
    • Focal length 55.04 135.00 290.01
    • F-number 4.60 5.18 6.30
    • Half angle (in degrees) 13.94 5.78 2.70
    • Image height 13.66 13.66 13.66
    • Overall length of the lens 136.00 175.46 192.00
    • BF 35.50 35.50 35.50

Source: EGAMI

Read More Canon Lens Patent

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