1 x Canon EF 70-300mm f/4-5.6L IS USM Lens (International Model) 1 x Lens Pen 1 x Lens Cleaning Kit 1 x Microfiber Cloth. EF-Mount Lens/Full-Frame Format Aperture Range: f/4 to f/45. Two Ultra-Low Dispersion Elements Super Spectra and Fluorine Coatings. Ring-Type Ultrasonic Motor AF System Optical Image Stabilizer. Floating Focusing Mechanism Weather-Sealed Construction