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

The Canon 70-200mm f/2.8L USM Lens from Canon is a high performance telephoto zoom lens with a constant f/2.8 maximum aperture. It has four UD glass elements to correct chromatic aberrations and provide overall high resolution, high-contrast images. A newly-designed inner focusing system brings high image quality throughout the zooming range and the ultrasonic autofocus motor (USM) provides fast, smooth and quiet autofocus action.