Refurbished Sigma 120-400mm f4.5-5.6 DG APO OS HSM for $339 (Sony A)

We have a series of refurbished Sigma lenses offered at Adorama. We start with the refurbished 120-400mm f4.5-5.6 DG APO OS HSM AF for the Sony Alpha DSLR system going for $339 with free shipping and warranty. As the OS hints at, this is an optically stabilized lens.