Sigma 12-24mm f/4.5-5.6 AF II DG HSM Lens for Nikon Digital SLRs

The Sigma 12-24mm f/4.5-5.6 EX DG ASP HSM II Wide-Angle Lens for Nikon is designed for use with full-frame digital cameras, and offers a dramatically ultra-wide, minimally distorted zoom lens with a field of view from 122° to 84.1°. This range makes it ideal for the tightest of interiors, as well as for dramatic landscape photography. Using a camera with an APS-C sensor will give you an effective range of 17-35mm, also a very attractive wide-angle zoom range.Features: Designed for use with full frame digital cameras. May also be used with smaller APS-C size sensors with a corresponding effective increase in focal length to about 17-35mm with most cameras One SLD and four FLD glass elements compensate for color aberration and provide high image quality Three glass mold elements and one hybrid aspherical lens give advanced performance and compact, lightweight construction Super Multi-Layer Coating reduces flare and ghosting Superior peripheral brightness--provides sharp, high contrast images even at the maximum apertures HSM (Hyper-Sonic Motor) ensures a quiet and high-speed auto focus, with full-time manual focus override Minimum focusing distance of 11" (28 cm) throughout the entire zoom range Splash-proof design for use in harsh conditions Maximum magnification ratio of 1:6.4 A front cap adapter, front/rear lens cap and carrying case are included with the lens Uses rear-mount gelatin filters