Новый патент Кенона: Линза с изменяемым радиусом (геометрией)

Запатентована технология, которая издревле существует в глазу живых существ. В объективе линза с изменяемой геометрией вернее, радиусом:


http://www.canonrumors.com/2014/10/patent-10-22mm-f3-5-4-5-with-a-liquid-element/


A patent showing a 10-22 f/3.5-4.5 optical formula with a liquid element has shown up. I think it’s safe to say that this isn’t going to end up as a consumer product any time soon, but it’s still pretty interesting.


liquidelementpatent





Patent Publication No. 2014-145883 (Google Translated)


Published Date 2014.8.14


Filing date 2013.1.29


Example 4


Zoom ratio 2.07


Focal length f = 10.30-13.12-21.35mm


Fno. 3.23-3.62-4.63


Half angle ω = 52.86-46.03-32.50 °


Image height 13.60mm


The overall length of the lens 135.13-133.91-135.09mm


BF 0.15mm


Canon patents


And by varying the shape of the boundary surface, thereby changing the refractive power


Zooming, and has a refractive power element is positive, the element is negative


And reduce the variation of the curvature