Canon RF 50mm f/1.4L USM DS Lens

Canon Japan has just filed new patent for large aperture RF mount prime lenses: RF 135mm f/1.4L USM DS, RF 50mm f/1.4L USM DS, RF 24mm f/1.4L USM DS. This new patent showcases some RF mount prime lenses that utilize Defocus Smoothing, which first appeared in the RF 85mm f/1.2L USM DS.