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A patent over at Egami showing a 3.8-380mm f/2.3-7 lens for a PowerShot camera has appeared. You read that right, we have a patent for another 100x zoom lens for a PowerShot application.
Published 2016.11.10 (Google Translated)
- Filing date 2015.3.31
- Optimization of the aperture flare cut
- To mitigate the amount of peripheral light change
- To move independently in the zooming
- Vibration control
Read the full patent after the break.
| Example | Zoom ratio | Focal length | F-number | Half angle of view | Image height | Overall length of the lens | BF | Lens constitution | Aspheric surface | UD | Super UD |
|---|---|---|---|---|---|---|---|---|---|---|---|
| One | 97.21 | 3.87 22.14 376.02 | 2.39 3.31 7.07 | 42.00 9.93 0.59 | 3.48 3.88 3.88 | 142.65 165.30 218.19 | 0.89 0.89 0.89 | 16 19 sheets group | 3 face two | One | Three |
| Two | 95.36 | 3.87 23.52 369.00 | 2.56 3.38 7.07 | 41.99 9.36 0.60 | 3.48 3.88 3.88 | 142.14 164.84 217.99 | 0.83 0.83 0.83 | 17 20 sheets group | Four sides two | One | Three |
| Three | 81.02 | 3.88 28.26 314.00 | 2.69 3.97 7.04 | 41.94 7.81 0.71 | 3.48 3.88 3.88 | 125.68 142.90 189.01 | 0.66 0.66 0.66 | 17 group 21 sheets | 5 surface 3 sheets | Five |
This optical formula patent is a good sign that we'll see some kind of replacement for the PowerShot SX60 HS.
