The sigma 150 600mm f5 63 s dg os hsm lens is an excellent choice for action sports and wildlife photographers who demand superior performance as it boasts not only durable and hard wearing construction but also optical elements of class leading quality this version for nikon 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 60