Nikon 18-55mm f/3.5-5.6G ED II AF-S DX Nikkor Zoom Lens (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished it shows limited or no wear Includes all original accessories plus a 90 day warranty 7-blade rounded diaphragm produces natural out-of-focus highlights Silent Wave Motor (SWM) provides accurate, quiet high-speed autofocusing 18-55mm lens with f/3.5-5.6 maximum aperture for Nikon DX-format SLR cameras, ED glass element minimizes chromatic aberration for superior optical performance