The SIGMA 24-70mm F2.8 DG DN II | Art lens is a high-performance zoom lens ideal for full-frame Sony and L-Mount mirrorless cameras. It boasts exceptional image quality, fast autofocus, and a durable, weather-sealed construction, making it a versatile tool for professional photographers and videographers. Product Features: Superior Optical Performance: This lens delivers outstanding sharpness and clarity throughout the entire zoom range, even at wide apertures, thanks to its advanced optical design featuring 6 FLD glass elements, 2 SLD glass elements, and 5 aspherical lenses. Fast and Precise Autofocus: The HLA (High-response Linear Actuator) ensures smooth, silent, and incredibly fast autofocus, perfect for capturing fleeting moments and fast-paced action. Excellent Close-up Capability: With a minimum focusing distance of 17cm (6.7in) at the wide end and a maximum magnification ratio of 1:2.7, this lens excels at close-up shots and creative perspectives. Minimized Flare and Ghosting: SIGMA's advanced design and coatings effectively suppress flare and ghosting for exceptional image quality, even in challenging lighting conditions. Reduced Focus Breathing: This lens is designed to minimize focus breathing, ensuring a natural-looking transition in perspective when shifting focus during video recording. Improved Portability and Expanded Features: Despite its professional-grade build quality, the lens is 7% smaller and 10% lighter than its predecessor. It also features an aperture ring with click and lock options, two programmable AFL buttons, and a durable weather-sealed construction. Highly Portable Lens Body: The optimized design keeps the lens size manageable (diameter 87.8mm, length 120.2mm, weight 745g) for comfortable use and easy transport. Exceptional Build Quality: SIGMA incorporates metal components and a robust internal structure for a solid and reliable feel, ensuring long-lasting performance. Dust and Splash Resistant: The lens is built to withstand challenging outdoor environments with its dust and splash-resistant structure and water- and oil-repellent front element coating. Zoom Lock Switch: A convenient zoom lock switch prevents the lens barrel from extending unintentionally during transport. Petal-type Hood with Lock: The included petal-shaped hood minimizes stray light and offers secure attachment with a locking mechanism.