Sigma touts the 150-600mm f/5-6.3 DG OS HSM Contemporary lens as the perfect blend of both versatility and portability. The hyper-telephoto zoom lens has been available for pre-order for the past few months and began shipping in June. Over the past year, Sigma has been rolling out updates to its lens lineup, creating three distinct lines — Art, Contemporary, and Sport. While all of these lenses deliver excellent quality images, the features and construction differ among the lines. (As does the price!) Like its other recent additions, the 150-600mm f/5-6.3 DG OS HSM Contemporary lens features the quiet Hyper Sonic…