A long-reaching telephoto zoom characterized by a sophisticated optical design and advanced image stabilization technologies, the Canon EF 100-400mm f/4.5-5.6L IS II USM Lens is part of the esteemed L-series developed for full-frame EOS DSLRs. One fluorite element and one Super UD element have been incorporated into the lens' construction, and both help to reduce aberrations and distortions throughout the zoom range in order to deliver notable clarity, image sharpness, and faithful color reproduction. An Air Sphere Coating has also been applied to lens elements in order to reduce lens flare and ghosting for more contrast-rich imagery. Benefitting the optical components of the lens, a four-stop effective Image Stabilizer helps to minimize the appearance of camera shake and can be dedicated to different styles of shooting. Product Highlights: EF-Mount Lens/Full-Frame Format Aperture Range: f/4.5 to f/38 One Fluorite and One Super UD Element Air Sphere Coating Ring-Type Ultrasonic Motor AF System Optical Image Stabilizer Rotating Zoom Ring & Torque Adjustment Weather-Sealed Design, Fluorine Coating Detachable, Rotatable Tripod Collar Rounded 9-Blade Diaphragm This 6AVE Bundle includes: 1- Canon EF 100-400mm f/4.5-5.6L IS II USM Lens 1- 32GB SDHC Class 10 Secure Digital High Speed Memory Card1- 77mm 1 2 4 10 Close-Up Macro Filter Set with Pouch (More Macro with ANY Lens!)1- Lens Cleaning Solution1- Blower Brush1- Microfiber Cloth1- Lens Tissue Paper1- 5pc Cotton Swabs1- Padded Carrying Case (Protect Your Investment!)1- 77mm 3 Piece Filter Kit Includes: UV, Circular Polarizer and Fluorescent Filter and Hard Case1- Memory Card Wallet 1- MicroFiber Cloth 1- Lens Pen Cleaner