Canon EF-S 18-55mm f/3.5-5.6 IS Autofocus SLR Lens + Full Starter Lens Kit Uses optics designed to take full advantage of the small image circle and short back focus in EF-S lenses Optimized lens coatings minimize flare and ghosting which are prone to occur with digital cameras Compact and ultra-lightweight with impressive close-focusing ability of 9.8" (25 cm) Includes 1 Aspherical lens element Circular aperture diaphragm produces a more attractive appearance to out-of-focus background areas in photos shot using the widest apertures