We have published the patent of 24-105mm F4 Lens yesterday, to again a new patent surfaced over the web of 11mm F4L lens, the lens is made Canon Fullframe DSLRs and will arrive under the L brand. That Clearly mans the upcoming lens will have high quality optics will feature inner focusing motor (STM or USM whatever Canon may select for this lens) and weather-sealed construction.
Take a look at the patent details below
- Patent Publication No. 2016-81005
- Published 2016.5.16
- Filing date 2014.10.22
- Example
- Focal length 11.33 11.47
- F-number 4.11 4.12
- Half angle of 62.36 62.08
- Image height 21.64 21.64
- Overall length of the lens 109.13 109.12
- BF 38.90 38.40
Take a look at more Canon Patent
source – egmai