SUPERIOR IMAGES - Experience exceptional image quality with a 20mm focal length, perfect for landscapes, astrophotography, and immersive wide-angle shots on Canon EOS R-series cameras. ULTIMATE CLARITY - Achieve stunning sharpness and reduced aberrations thanks to advanced optics, including Super UD, UD, BR Lens, and Aspherical elements within its 15 elements in 11 groups. BEAUTIFUL BOKEH - Create dreamy backgrounds with the wide f/1.4 aperture and 11 aperture blades, ideal for portraits and low-light photography, enhancing subject isolation and depth. FAST AUTOFOCUS - Enjoy rapid and precise focusing with Canon's VCM (Voice Coil Motor), ensuring sharp images even with moving subjects; supports MF in both ONE SHOT AF and SERVO AF.