Deal: Sigma 150-600mm f/5-6.3 DG OS HSM Lens for $729 June 2, 2019 By Eric Reagan B&H has the Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary lens for $729 (reg. $1089) as its Deal Zone deal for today only. Check it out while it lasts here at B&H Photo. Subscribe to the Photography Bay Deals Newsletter to catch great deals like this and other camera and photo gear deals daily. Sign up here.