The incredible image quality delivers unparalleled visual experiences. Enjoy enhanced control over light and image composition. With a focal length of 20 mm and an aperture of F1.4, the Sigma 20 mm F1.4 DG HSM Art lens provides excellent brightness, natural bokeh, and unmatched visual experiences. By taking advantage of the wide-angle perspective and the shallow depth of field at wide open apertures, this lens is not only ideal for ultra-wide-angle subjects like landscapes and starry skies, but also perfect for low-light snapshots, indoor shots, portraits with natural bokeh, and much more. The Art product line is designed for demanding optical performance and high expressiveness, making it suitable for unique artistic expression. With astonishing imaging performance that meets the highest standards, these lenses excel not only in landscapes, portraits, still lifes, close-ups, and snapshots but also in the type of photography that awakens the artist in a photographer. The lenses in the Art product line are a powerful tool for any genre. They perform exceptionally well both in the studio and outdoors, demonstrating expressiveness in architectural shots, starry skies, and many other scenes.