Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens (Canon EF)

The Canon EF-mount 100-400mm f/5-6.3 DG OS HSM Lens is a telephoto zoom within Sigma's Contemporary series that blends both a refined optical design with a compact and lightweight physical construction. On the optical front, this zoom utilizes four SLD glass elements to noticeably reduce chromatic aberrations and color fringing throughout the zoom range for improved clarity and color accuracy, and a Super Multi-Layer Coating has also been applied to increase contrast when working in strong lighting conditions. The physical design utilizes Thermally Stable Composite material for durability in a wide range of environments; both twist and push-pull zoom mechanisms are available for improved control over field of view; and a brass bayonet mount also offers rigidity and mounting precision. The telephoto zoom lens is designed for full-frame Canon EF-mount cameras, however can also be used with APS-C models where it will provide a 160-640mm equivalent focal length range. A Super Multi-Layer C