Egami, the Japanese photography blog has discovered a new Canon patent for a 9-240mm f/2.8-5.6 lens. Among other uses, the new lens may be designed for the eventual replacement of the PowerShot G3X camera, announced last July 2015.
Patent Publication No. 2016-31419
- Published 2016.3.7
- Filing date 2014.7.28
Example
- Zoom ratio 25.58
- Wide-angle intermediate telephoto
- Focal length 9.35 31.90 239.12
- F-number 2.88 4.93 5.76
- Half angle of view (degrees) 35.66 13.89 1.89
- The image height 6.71 7.89 7.89
- Overall length of the lens 94.81 119.61 197.21
- BF 2.97 19.89 29.86
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