skip to Main Content

Canon Patent for 20-100mm and 30-135mm Cine Lenses

Canon Patent

Canon committed to more Cine lenses. Egami (translated) spotted a patent for a CN-E 20-100mm f/4 and a CN-E 30-135mm f/3.5 lens.

Machine translated patent description:

Canon patent

  • Positive and negative positive and negative positive 5-group zoom
  • Inner zoom
  • Inner Focus (fourth group)
  • According to the invention, it is possible to appropriately define the refractive power arrangement and the lateral magnification of the zoom sharing ratio and the lens groups of zooming group, while reducing the size and weight and a high zoom ratio , it is possible to decrease the magnification ratio of a short-distance shooting is to achieve the image pickup apparatus having a zoom lens and it is suppressed.
Back To Top

Notice

This website or its third-party tools use cookies, which are necessary to its functioning and required to achieve the purposes illustrated in the cookie policy. If you want to know more or withdraw your consent to all or some of the cookies, please refer to the cookie policy.
By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to the use of cookies.