Buy Nikon AF-S NIKKOR 16-35mm f/4G ED VR Nikkor Wide Angle Zoom Lens for Nikon Digital SLR Cameras high-performance, f/4 fixed aperture, wide-angle zoom lens is perfect for interiors, landscapes, cityscapes, general photography and establishing shots when recording HD video, 16-35mm focal length,24-52.5mm equivalent focal length on DX cameras ,An optical glass developed by Nikon that is used with normal optical glass in telephoto lenses to obtain optimum correction of chromatic aberrations.at Burjstore, Dubai or through Online Shopping Dubai