55-200mm zoom Nikon lens with f/4-5.6 maximum aperture for Nikon digital SLR cameras 2 extra-low-dispersion (ED) glass elements for minimized chromatic aberration and superior optics Super-integrated coating minimizes ghosting and flare for more vivid images in dim lighting Silent Wave Motor produces quick and quiet high-speed autofocusing; weighs 9 ounces Measures 2.7 inches in diameter and 3.1 inches long; 5-year warranty 55-200mm zoon Nikkor lens with f/4-5.6 maximum aperture for Nikon digital SLR cameras 2 extra-low-dispersion (ED) glass elements for minimized chromatic aberration and superior optics Super-integrated coating minimizes ghosting and flare for more vivid images in dim lighting Silent Wave Monitor produces quick and quiet high-speed autofocusing; weighs 9 ounces Measures 2.7 inches in diameter and 3.1 inches long