High image quality and bright f/1.2 aperture L lens for EOS R System cameras. Blue spectrum refractive optics (br) Reduces chromatic aberration. Minimum focusing distance of 2.79 ft. /0.85M. A control ring for direct setting changes. One Aspheric element and one UD lens. Macro Lens Type. Lens Format: Lens Format: Full-Frame. Special Features: Aspherical Lens compatible with Canon Mirrorless Full Frame Cameras (EOS RP, EOS R, EOS R5, EOS R6)