The EF 24-70 mm f/2.8L II USM delivers superb image quality throughout its zoom range, thanks to aspherical lens elements and ultra-low dispersion (UD) and super UD glass. Redesigned optics ensures sharpness is maximized across the frame.The EF 24-70 mm f/2.8L II USM is robust enough for daily professional use. Weather sealing protects against dust and moisture, while a fluorine-coated front and rear elements are easy to clean. Canon - 24 mm to 70 mm - f/2.8 - Zoom Lens for Canon EF/EF-S is one of many Lenses & Flash available through Office Depot. Made by Canon.