In a lightweight and compact housing packed with extensive features, which is essential for many photography tours, the Sigma 100-400mm F5-6.3 DG DN OS Contemporary also delivers exceptional optical performance. This new telephoto zoom lens achieves image quality comparable to that of standard zoom lenses, such as the Sigma 24-70mm F2.8 DG DN Art. Thus, the Sigma 100-400mm F5-6.3 DG DN OS Contemporary can also be seen as the ideal telephoto complement to this standard zoom. State-of-the-art optical design technologies ensure high-resolution and contrast-rich image quality throughout the entire focal length range. The bokeh and compression effect, achievable only with an ultra-telephoto lens, open up many exciting creative possibilities, even in ordinary everyday scenes. The combination of ultra-telephoto shots with the great freedom of movement offered by the Sigma 100-400mm F5-6.3 DG DN OS Contemporary opens new avenues for enjoying ultra-telephotography and its possibilities—from snapshots to photography tours. The Sigma 100-400mm F5-6.3 DG DN OS Contemporary, a lightweight and comfortable ultra-telephoto zoom lens suitable for both experienced and novice telephoto users alike, offers excellent value for money and enables various photographic styles.