Canon introduces the RF85mm F1.2 L USM DS which uses a vapor deposition technology DS (Defocus Smoothing) coating that changes the transmittance of light, pursuing smooth and beautiful bokeh expression. Introducing the RF85mm F1.2 L USM DS Technology "DS coating"(Canon Official) • Introducing the RF85mm F1.2 L USM DS Techn... Subscribe to the official Canon Imaging Plaza YouTube channel / canonimagingplaza Enjoy Canon's latest imaging technology. Official Canon website http://global.canon/