skip to Main Content

Canon patent for 28-500mm F2.8-4 zoom lens (for Powershot 1″ sensor series?)

28-500mm F2.8-4

Canon patent for an optical formula that appears to be for a 1″ sensor, and for a 28-500mm F2.8-4 lens. Canon makes Powershot cameras with an 1″ sensor, the patent may point to a future super-zoom Powershot camera.

  • Patent Publication No. 2016-99548
    • Published 2016.5.30
    • Filing date 2014.11.25
  • Example 1
    • Zoom ratio 17.50
    • Focal length 9.76 104.00 170.79
    • F-number 2.88 3.77 3.90
    • Half angle of view (degrees) 36.48 4.51 2.75
    • The image height 7.22 8.20 8.20
    • The total lens length 196.17 196.17 196.17
    • BF 7.33 7.33 7.33
[via Egami]
Back To Top


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.