Spanning a useful telephoto range, the EF 70-300mm f/4-5.6 IS II USM Lens from Canon is a flexible zoom well-suited for a variety of subjects, ranging from portraiture to wildlife. Similarly versatile espandi..., the lens utilizes NANO USM technology that combines a fast, stills-optimized ring-type Ultrasonic Motor and a smooth, silent video-optimized Stepping Motor for all-around focusing performance to benefit multimedia image-makers.