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Canon Patent Application: 1" sensor zoom lens
CanonNews
/ Categories: Canon Patents

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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