Canon'EF 70-300mm f/4-5.6L IS USM Lens OverviewSpanning a flexible range of telephoto focal lengths, the'EF 70-300mm f/4-5.6L IS USM'is a'Canon'L-series lens characterized by its relatively compact size and versatility. Two ultra-low dispersion elements are used to greatly reduce color fringing and chromatic aberrations throughout the zoom range for high clarity and color accuracy, and a Super Spectra coating has also been applied to suppress flare and ghosting for improved contrast. Also, a floating elements mechanism is employed to maintain consistent image quality throughout the focusing range for notable sharpness from 3.9' to infinity.What's In The BoxEF-Mount Lens/Full-Frame FormatAperture Range: f/4 to f/45Two Ultra-Low Dispersion ElementsSuper Spectra and Fluorine CoatingsRing-Type Ultrasonic Motor AF SystemOptical Image StabilizerFloating Focusing MechanismWeather-Sealed ConstructionRounded 8-Blade DiaphragmExtra Bundle Items:1 x Padded Carrying Case (Protect Your Gear!)1 x Lens Pouch Sleeve (for Medium Sized Lenses)1 x 67mm 3 Piece Filter Kit Includes: UV, Circular Polarizer and Fluorescent Filter and Hard Case1 x Lens Pen Cleaner1 x High Quality Dust Blower1 x Lens Cleaning Solution1 x Blower Brush1 x Lens Tissue Paper5 x Cotton Swabs1 x Deluxe 70" Monopod1 x Lens Cap Keeper (Dont Lose your Caps!)1 x MicroFiber Cloth1 x Large Cleaning Bottle for LCD Monitors2 Year Extended Warranty Included (Replaces Manufacturer Warranty)