The Tokina AT-X 116 PRO DX is an ultra-wide angle lens with a fast f/2.8 aperture for better photography in low-light situations. Many photojournalists consider having an f/2.8 aperture a must for any lens in their camera bag. Based on the award-winning optical design of the AT-X 124 PRO DX (12-24mm f/4) lens, the AT-X 116 PRO DX has a slightly shorter zoom range to maintain optical quality at wide apertures. Tokina"s exclusive One-touch Focus Clutch Mechanism allows the photographer to switch between AF and MF simply by snapping the focus ring forward for AF and back toward the camera to focus manually.The Hoya Ultraviolet UV Filter is a multi-purpose, fine-weather filter that is designed to optimize your photography experience. They should be constantly fitted to a lens to provide improved clarity and color balance, as well as to provide additional protection to your lens.Keep your lens cap securely attached to your lens with the convenient, simple-to-use CapKeeper.This 6-piece cleaning kit contains a Hurricane Air Blower, Lens Cleaning Tissues, Lens Cloth, Lens Cleaning Liquid, Brush and Cotton Swabs.