Sigma 24mm f/1.4 and 150-600mm Lens Pricing Announced February 11, 2015 By Eric Reagan The new Sigma 24mm f/1.4 DG HSM Art lens will cost $849 and should be available on March 20, 2015. It is now available for pre-order here at B&H Photo. Sigma 150-600mm f5-6.3 DG OS HSM Contemporary Additionally, the new Sigma 150-600mm f/5-6.3 DG OS HSM Contemporary lens is also expected in mid-March and will cost $1089. It will be available for Canon, Nikon, Sony A and Sigma mounts. It is also available for pre-order now here at B&H Photo.