Deal: Sigma 18-35mm f/1.8 DC HSM Art Lens for $599 July 11, 2018 By Eric Reagan B&H has the Sigma 18-35mm f/1.8 DC HSM Art lens for $599 (reg. $799) as a Deal Zone deal for today only. Check it out while it lasts here at B&H Photo. Also, read my Sigma 18-35mm lens review.