First Look: Exploring Patagonia with the Sigma 300-600mm DG OS | Sports Lens The Sigma 300-600mm F4 DG OS | Sports is a premium zoom lens for wildlife and sports photography. To put it to the test, outdoor photographer liam_doran_outdoors takes it to the Patagonia region of Chile in search of elusive pumas, unreal landscapes, and a variety of other wildlife. Link in our bio to read the full article with more images, along with lots more info about the lens and Liam's experience. #SIGMA #Sigma300600mmSports #wildlifephotography #naturephotography #patagonia #chile #pumas #mountainlions