Thursday only: Sigma 17-50mm f2.8 EX DC OS HSM and 4% rewards for $420 (C/N/A/P/Si)

Good until 11:59pm eastern tonight (Thursday 6/30/16) the Sigma 17-50mm f2.8 EX DC OS HSM APS-C lens in the Canon, Nikon, Sony Alpha, Pentax K-, and Sigma SLR mounts is on sale for $420 with free shipping at B&H Photo.

NOTE :the Sony and Pentax are not OS. All except for the Sigma mount get 4% promotional rewards as well. The Sigma mount is a special order, the rest are in-stock.