Before you embark on your next photography adventure, consider the SIGMA 100-400mm F5-6.3 DG DN OS Contemporary lens, a compact and lightweight ultra-telephoto zoom lens designed exclusively for full-frame mirrorless cameras. This lens offers remarkable optical performance, packing essential functionalities into a compact body for exceptional lightweight shooting, making it an ideal companion for field photography.The state-of-the-art optical design technology ensures edge-to-edge high-resolution and high-contrast image quality throughout its entire focal range. This lens achieves high image quality, rivaling 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 achieved by this 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, from everyday snapshots to field photography and beyond. The lens construction comprises 16 groups and 22 elements, with one FLD and four SLDs used for the effective correction of aberrations and distortions. Built on the latest optical design technology and optimized for mirrorless systems, this lens ensures the same high-resolution image quality all the way to the edges. In addition to a