Wide-angle, fixed focal length lens that affordably expands the EOS R system.. Fast F1.8 maximum aperture for great control over depth of field and bokeh, low-light shooting and video recording, with fast and reliable autofocus.. Excellent image quality: highlights include a UD(Ultra-low Dispersion) glass element, one aspheric element, and Canon SSC to minimize ghosting and flare.. Minimum focus distance of approx. 5.5 In./0.14 m; close-up magnification 0.5x at minimum focus distance.. Optical image stabilization - up to 5.5 stops* of shake correction. Up to 6.5 stops Coordinated IS when paired with EOS R series cameras featuring In-Body Image Stabilizer(IBIS).