skip to Main Content

Canon patent for EF 600mm f/4 DO IS USM lens

2015_11171_fig03

Canon filed a patent for an EF 600mm f/4 DO IS lens, i.e. a lens with diffractive optical elements.

  • Patent Publication No. 2015-11171
    • Published 2015.1.19
    • Filing date 2013.6.28
  • Example 2
    • Focal length 588.30mm
    • Fno. 4.12
    • Angle of view 2.11 °
    • Image height 21.64mm
    • The total lens length 397.80mm
    • BF 2.02mm
    • Positive ShiboTadashi
    • Inner focus
    • Vibration control
[via Egami]
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.