With the levels of optical performance and functionalities essential for full-fledged shooting packed into a lightweight and compact body which is a key in field photography the SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary is an ultra-telephoto zoom lens that invites you to take it with you on casual outings. The state-of-art optical design technology ensures edge-to-edge high-resolution and high-contrast image quality throughout its entire focal range. This new lens achieves high image quality which rivals that of standard zoom lenses such as the SIGMA 24-70mm F2.8 DG DN | Art ensuring a perfect match with these lenses while shooting. The level of bokeh and compression effect only achieved by an ultra-telephoto lens provides a fresh perspective to ordinary everyday scenes. This combination of ultra-telephoto images with the excellent mobility of the SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary will open up new ways for you to enjoy ultra-telephoto photography as well as its possibilities from everyday snapshots to field photography and everything in between. Whether you are currently considering trying a telephoto lens or already are a telephoto lens connoisseur the SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary is a "light and enjoyable ultra-telephoto zoom lens" that will provide a great value and a variety of styles to your shooting experience.