The Canon EF 75-300mm f4-5.6 III Lens is a lightweight, compact 4x telephoto zoom lens that is ideal for portraiture, sports, and wildlife photography. This lens has the same optical system, construction, and exterior design as the EF 75-300mm f/4-5.6 III USM lens however instead of having a USM (Ultrasonic Motor), it has a micro motor. The integrated AF