Canon EF 70-200mm f/2.8L IS III USM Lens

Features: EF-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/32 One Fluorite Element and five UD Elements Air Sphere Coating Ring-Type Ultrasonic Motor AF System Optical Image Stabilizer Internal Focus, Focus Range Limiter Weather-Sealed Design, Fluorine Coating Detachable, Rotatable Tripod Collar Rounded 8-Blade Diaphragm The EF 70-200mm f/2.8L IS III USM from Canon is an L-series telephoto zoom distinguished by its bright design and advanced optics. Ideal for a variety of subjects ranging from portraiture to sports, the fast constant f/2.8 maximum aperture excels in difficult lighting conditions and also offers increased control over depth of field for isolating subjects. The optical layout makes use of one fluorite element and five UD elements to suppress chromatic aberrations and color fringing in order to realize a high degree of clarity throughout the zoom range. An Air Sphere Coating is also featured and works to reduce flare and ghosting for greater color fideli