Capturing the Big Cat National Geographic's George Steinmetz takes the wildlife camera trap into the digital age. By Jonathan Barkey December 17, 2008 How To SHARE Capturing-the-Big-Cat-A-dress-rehearsal-with-Stei A dress rehearsal with Steinmetz as stand-in. Capturing-the-Big-Cat-A-shot-of-an-interloping-ba A shot of an interloping barn owl. Capturing-the-Big-Cat-The-final-image-shot-with The final image, shot with the Canon EOS Digital Rebel XT and an EF 17-35mm f/2.8L lens, at ISO 1600 in RAW mode, with an exposure of 30 seconds at f/2.8 and off-camera flash. Capturing-the-Big-Cat-Steinmetz-tests-a-second-ca Steinmetz tests a second camera trap location, on a path near the watering hole. Capturing-the-Big-Cat-Steinmetz-and-a-mountain-li Steinmetz and a mountain lion trade places at the second camera trap location. Capturing-the-Big-Cat-A-mountain-lion-at-the-seco A mountain lion at the second camera trap location. Capturing-the-Big-Cat-The-National-Geographic-Soc The National Geographic Society’s own Wildlife Motion Detection Camera Capturing-the-Big-Cat-The-photographer-s-diagram The photographer’s diagram of his shooting setup. How to MORE TO READ RELATED Cold weather is the best time for night sky photography and starscapes Grab your coat and your camera, then head out under the stars. READ NOW RELATED Take better pictures by thinking like an old-school photographer Make every shot count. RELATED How to choose the right laptop for you Everything you need to know.