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A full-frame EF 40-800mm F4.5-5.6 lens coming before 2020, Canon patent suggests? [CW3]

EF 40-800mm F4.5-5.6
EF 40-800mm F4.5-5.6

Update: Guess I got a bit overexcited on this. The patent literature refers to 2 optical formulas for full-frame and 2 for Powershot class of cameras. While it is possible that Canon may build such a lens for FF, an application for Powershot is much more likely. However, it’s a matter of fact that Canon works on such crazy ideas.

Canon patent for an EF 40-800mm F4.5-5.6 lens. It’s suggested this Canon patent could lead to a new EF 40-800mm F4.5-5.6 lens to be announced before the Olympic Games in Tokyo 2020, and, well, I think this is entirely possible so I rate it CW2 CW3.

  • Patent Publication No. 2016-128846
    • Published 2016.7.14
    • Filing date 2015.1.9
  • Example 1
    • 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
  • Canon patent
    • Inner zoom
[via Egami]
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