Canon has just filed a new lens patent for EF 11mm F4L USM lens. This is another new ultra wide-angle lens, likely part of the EF 11-24 f/4L lens.
Detail translated by Google:
- 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
- Canon patent
- It is less distortion in the normal state
- A large distortion in the distortion change state
Source: EGAMI
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