This lens is one of our Best Sellers and has gone down a storm since being released.

150mm-500mm with Optical stabilizer, Beating Nikons 80-400 VR in tests and with the twist zoom rather than push pull of the Canon 100-400 IS does not suffer with dust.
Very popular with the wildlife photographers, comes complete with hood and lens case

This ultra-telephoto zoom lens covers a telephoto range up to 500mm and allows photographers to bring the subject close and short perspective. Sigma’s original OS (Optical Stabilizer) function offers the use of shutter speeds approximately 4 stops slower. It is ideal for sports, wildlife and landscape photography with handheld shooting.

Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with a rear focus system that minimizes fluctuation of aberration caused by focusing. The super multi-layer lens coating reduces flare and ghosting. High image quality is assured throughout the entire zoom range.

This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability.