As quickly as I read this patent, I instantly considered somebody. The Canon Rumors group is aware of who I’m speaking about.
This patent covers the optical method for an EF 50mm f/1.4 with an apodization filter, maybe this may very well be a part of a brand new line of “DS” lenses, first began with the RF 85mm f/1.2L DS.
Canon EF 50mm f/1.4 Japan Patent Application 2019-056780:
- Focal distance 52.43mm
- F quantity 1.49
- Field angle 22.42°
- Image peak 21.64mm
- Length of the lens 88.51mm
- BF 39.71mm
The aim of this patent is to enhance the bokeh of the lens utilizing new apodization know-how that Canon has developed.