SUPERIOR IMAGE QUALITY - Experience exceptional sharpness and clarity with 16 elements in 13 groups, delivering stunning detail across the entire frame for Canon RF Mount APS-C cameras. ULTRA-WIDE PERSPECTIVE - Capture expansive scenes with a 79.9° angle of view, perfect for landscapes, astrophotography, and creative compositions using this 16mm fixed focal length lens. BEAUTIFUL BOKEH - Achieve smooth and pleasing background blur with a 9-blade rounded diaphragm, ideal for portraits and isolating subjects with a shallow depth of field at f/1.4. FAST AND PRECISE AUTOFOCUS - Enjoy quick and accurate focusing performance, ensuring sharp images and reliable subject tracking for both stills and video with this auto focus lens.