SIGMA ZOOM 28-70mm 1:2.8 AF Sigma Zoom 28-70 mm f/ 2.8 Author: Sean Teng 1(3) 0 1798 | Portrait Sigma Zoom 28-70 mm f/ 2.8 Author: Earl 2(1) 0 3065 | Diving Sigma Zoom 28-70 mm f/ 2.8 Author: Earl 2(1) 0 3255 | *** Sigma Zoom 28-70 mm f/ 2.8 Author: Earl 2(1) 0 3572 |