The large F2.8 aperture provides stable and high descriptive performance at all zoom and focus ranges. The high-speed AF with a dual HLA (High-response Linear Actuator) based on a floating focus structure, and the Optical Stabilizer function with the OS2 algorithm with up to 7.5 stops of correction effect*, ensure that users can take the right shot when there is no room for error. The highly mobile lens with high durability, rigidity, and texture is equipped with a wealth of functions to assist comfortable shooting, including an inner zoom mechanism for easy handling, as well as an aperture ring and switches with various customization functions. The flagship Sigma 70-200mm F2.8 DG DN OS | Sports, combined with the best of Sigma’s latest technologies to meet the high-level demands of professionals, has finally arrived.