Compare Nikon AF-S Nikkor 17-35mm f/2.8D ED-IF Lens to Sigma 12-24mm F4.5-5.6 EX DG ASP HSM Lens for Nikon

This AF-S Zoom-Nikkor 17-35mm f/2.8D IF-ED lens is an ultra-wide-angle rectilinear zoom lens with a range of professional-level features that yield overall superior performance. In addition to providing the shortest close-focusing distance in its class 0.28m (0.9 ft.) throughout the entire zoom range the lens also features a fast constant maximum aperture of f/2.8 at all focal lengths. It is ideal for photojournalism and general professional-level photographic needs. Less

The large angle of view of the Sigma 12-24 4.5/5.6 EX DG ASPH Zoom (122 degree super wide angle of view at 12mm along the diagonal axis) is ideal for shooting indoors as well as landscape photography. It has a variable angle of view from 122 degrees to 84.1 degrees. \nFour Special Low Dispertion (SLD) glass elements are provided for effective compensation of color aberration, which is a common problem with super-wide angle lenses. Two pieces of Glass Mold and one-piece Hybrid aspherical lenses offer excellent correction for distortion as well as all types of aberration. \nBy effective arrangement of lens elements and advanced technology this lens has Super Compact dimensions of 100mm full-length, and 87mm Maximum Diameter. It is equipped with an Inner Focusing System that will keep the length of the lens unchanged, while controlling aberration. \nThe models which are equipped with the HSM (Hyper Sonic Motor) System (only in Nikon, Canon and Sigma Camera Mounts) offer Full Time Manual Focusing. It has a minimu Less