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Canon Patent Application: 1" sensor zoom lens
This patent application is for a 1" sensor camera zoom lens. A 1" sensor has a diagonal of 15.86mm and a radius of 7.93mm while this patent application describes a lens for an image height of 8mm. As with most powershots the wide end has to be stretched to fit the entire image circle.
This would be a 28 - 80mm equivalent lens
focal length 10.57 20.35 30.14
F number 2.26 4.72 5.15
angle of view 37.6 22.5 15.1
image height 6.56 8.00 8.00
total length 46.44 43.19 46.77
BF 8.65 16.39 23.87
Japan Patent Application 2018-189865
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