Versatile Full-Frame Lens with Constant f/2.8 Aperture: Designed for full-frame Sony E-mount cameras, this 24-70mm lens offers outstanding versatility from wide-angle to telephoto. The constant f/2.8 aperture delivers consistent performance in low-light settings and provides excellent depth-of-field control for both photography and videography, making it ideal for professionals who need adaptability in various shooting scenarios.. Fast & Lightweight with High-Speed Autofocus: Weighing just under 2 pounds, the Sigma 24-70mm f/2.8 DG DN II Art lens offers a perfect balance of portability and performance. Its High-response Linear Actuator (HLA) autofocus system provides fast, precise focusing, essential for capturing fast-moving subjects with accuracy. This makes it a top choice for photographers and videographers needing sharp, on-the-go performance without compromise.. Advanced Optical Design for Superb Clarity: Featuring FLD, SLD, and aspherical elements, this lens minimizes chromatic