A portable hard wearing and optically excellent telephoto lens the sigma 150 600mm f5 63 s dg os hsm lens is a terrific choice for action shooters who demand high performance this version for canon fit comes with a 14x teleconverter for that bit of extra reach to capture distant subjects featuring water resistant coating an optical stabiliser and a rounded 9 blade diaphragm for pleasing bokeh the sigma 150 600mm is a superb all rounder