A professional standard refined. The EF 70-200mm f/2.8L IS III USM delivers outstanding performance and optics to help you reach new heights in high-level creative imaging. The lens's constant f/2.8 maximum aperture enables fast shutter speeds and beautiful background blur across its zoom range. To further enhance clarity, it adds Canon's Air Sphere Coating (ASC), which combines with updated Super Spectra Coatings to significantly reduce lens flare and ghosting. A superlative lens remastered for improved performance even in diverse light, the EF 70-200mm f/2.8L IS III USM is a worthy partner to help create your upcoming masterpiece.