The Sigma 135mm F1.8 DG HSM is a fast moderate telephoto prime lens for full-frame DSLR cameras. The 135mm f/1.8 features 13 optical elements in 10 groups and a HSM focusing system which provides quiet, smooth and fast autofocus with full-time manual focus override. Retailing for Read the review »
photographyblog.com2017-4-24 16:45