Skip to content

Canon patent for EF 12-20mm f/4 lens for full-frame DSLR


canon patent

Canon patent for another ultra wide angle zoom lens? Appears so, the patent describes an EF 12-20mm f/4 lens for full-frame DSLRs. Maybe not a “L” lens. You can read the patent literature here.

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 you agree to the use of cookies.