New Patent: Canon EF 40-800mm F4.5-5.6 Lens

Canon EF 40-800 F4.5-5.6 lens patent

Canon has just filed a new patent for EF 40-800mm F4.5-5.6 lens. This is a new super telephoto zoom all-in-one lens for Full-Frame cameras.

Detail translated by Google:

  • Patent Publication No. 2016-128846
    • Published 2016.7.14
    • Filing date 2015.1.9
  • Example
    • Zoom ratio 19.42
    • Focal length 41.09 92.80 152.20 225.00 797.99
    • F-number 4.67 4.66 4.65 4.67 5.71
    • Angle of view 27.79 13.13 8.10 5.50 1.55
    • Image height  21.65
    • Overall length of the lens 489.32
    • BF  39.28

Source: EGAMI

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