Canon filed a new Patent for a 135mm f/2 lens with apodization filter. The basic work of apodization is to generate eye-pleasing bokeh and also helps to reduce vignetting from the image.
- Patent publication number 2016-218444
- Release date 2016.12.22
- Application date 2015.5.20
- Example
- Focal length 130.98
- F number 2.06
- Field of View 9.38
- Image height 21.64
- Lens total length 159.05
- BF 53.99
- Canon patent
- Even in the presence of vignetting, a good blurred image at all angle of vi
Via-Egami