Lens not zoomable Dx-nikkor Reduces the diameter of the lens' Image circle, allowing a range of lenses with practical size and excellent performance Dx-nikkor lenses offer compact and lightweight design, fast aperture and fast autofocus via Nikon silent Wave Motor design 180 Degree diagonal angle-of-view Close range focusing up to a near 5.5 inches Innovative close range correction ( CRC ) Technology ensures consistently crisp, sharp images DX-Nikkor reduces the diameter of the lens' image circle, allowing a range of lenses with practical size and excellent performance DX-Nikkor lenses offer compact and lightweight design, fast aperture and fast autofocus via NIKON's Silent Wave Motor design 180 degree diagonal angle-of-view Close range focusing up to a near 5.5 inches Innnovative Close Range Correction ( CRC ) technology ensures consistently crisp, sharp images