Just introduced to the Sigma ""I series"", the 50mm F2 Dg Dn | Contemporary lens is a classic standard prime lens that combines exceptional build quality, robust optical performance, and a compact, fast-aperture design. This lens, the fifth F2 I series lens, joins the ranks of the 20mm, 24mm, 35mm, and 65mm lenses, all of which feature an arc-type Af/Mf switch and a stylized ring on the all-metal barrel. Designed specifically for full-frame mirrorless systems, this Dg Dn lens offers a pleasing tactile experience with its metal lens hood, manual-focus, and aperture ring, all knurled for your comfort. The F2 maximum aperture delivers pleasing bokeh effects, and the optical design ensures results comparable with the 50mm F1.4 Dg Dn | Art lens, but in a much more compact and lightweight lens.The Sigma 50mm F2 Dg Dn | Contemporary lens is resistant to flare and backlighting, and its Af is driven by a stepping motor for fast, reliable autofocus for both still and video use. This lens is an ideal choice for everyday use, offering performance beyond expectations in a small body.With its bright F2 aperture, this lens delivers high optical performance, creating expressive images with a shallow depth of field and beautiful bokeh effects. Its compact size makes it perfect for portraits, street, and everyday photography. Built to last, the lens uses the same all-metal construct technology used in the Sigma Cine lens range, providing a robust and premium feel.This versatile lens is perfect for new photographers looking to advance, professionals who require reliable lenses, and photographers who prefer smaller full-frame lenses that offer the best optical quality. The Sigma 50mm F2 Dg Dn | Contemporary lens matches the optical performance standards set by the Sigma Contemporary line of lenses, offering high-quality optics in a compact size, ideal for a wide variety of photographic styles.The lens is constructed using a single Sld glass element and three aspherical lens elements, excellent at correcting various types of aberration for clear, high-definition images. Its optical design ensures smooth transitions from in-focus to out-of-focus areas, and helps minimize flare and ghosting caused by backlit environments. The quiet stepping motor provides quick, reliable autofocusing for both stills and video.The Sigma I series offers full-frame compatible lenses that bring new value to mirrorless systems. The combination of superb optical performance and a level of compactness perfectly suited to smaller and lighter modern mirrorless cameras will bring you new opportunities for the perfect shot. All I series lenses have an all-metal construction. The precision-cut aluminum parts not only give the barrel a sleek, stylish finish but provide superb durability that improves the quality of the entire product. These high-precision components, crafted with Sigma's cutting-edge metalworking technology, are also used in Sigma's Cine Lens line-up for professional cinematographers, providing a tactile, ergonomic feel that makes the lens a pleasure to use. The Sigma 50mm F2 Dg Dn | Contemporary lens is more than just a lens it's a tool for creating images that are beyond beautiful..