As soon as I read this patent, I immediately thought of someone. The Canon Rumors community knows who I’m talking about.
This patent covers the optical formula for an EF 50mm f/1.4 with an apodization filter, perhaps this could be part of a new line of “DS” lenses, first started with the RF 85mm f/1.2L DS.
Canon EF 50mm f/1.4 Japan Patent Application 2019-056780:
Focal distance 52.43mm
F number 1.49
Field angle 22.42°
Image height 21.64mm
Length of the lens 88.51mm
BF 39.71mm
The goal of this patent is to improve the bokeh of the lens using new apodization technology that Canon has developed.
Continue reading...