The AT-X 116 PRO DX-II 11-16mm f/2.8 Lens for Nikon Mount by Tokina is an ultra-wide angle auto-focus zoom lens with a fast f/2.8 aperture throughout the zoom range. The AT-X 116 PRO DX-II lens is designed for digital cameras with APS-C-size CMOS or CCD sensors.
At the 17mm end of the zoom, it's a very wide-angle lens. This very useful lens contains one super-low dispersion glass element, helping to make the lens compact, lightweight (12.3 oz/350g) and fast focusing.
This makes the lens better suited for scenic and travel photography in addition to being a great standard lens for most general photography situations. The AT-X 16.5-135 DX's optical design benefits from the latest advances in the industry.