A popular telephoto zoom for a variety of clicking applications, this Canon EF-mount SP 70-200mm f/2.8 Di VC USD G2 Lens from Tamron is characterized by its bright f/2.8 constant maximum aperture, as well as sophisticated optical and physical designs. In regard to optics, an improved layout contains one XLD element and five LD elements to suppress color fringing and chromatic aberrations for notable clarity and color accuracy, and both BBAR and eBAND coatings have been applied to reduce flare and ghosting. Complementing the optical assets, this 70-200mm f/2.8 also features an advanced Vibration Compensation (VC) system that compensates for up to five stops of camera shake for sharper handheld clicking. A ring-type Ultrasonic Silent Drive autofocus motor is also featured for responsive and accurate performance, and also affords full-time manual focus override for fine-tuned control. Additionally, the lens is also dust- and moisture-resistant for working in trying environmental condit EF-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 One XLD Element, Five LD Elements eBAND, BBAR, and Fluorine Coating