Teleconverter vs. Crop: Everything You Need to Know to Get the Best Photos
Every wildlife or sports photographer knows the feeling. You've hiked three miles into a marsh, the golden hour light is perfect, and a great blue heron is hunting in the shallows. Then you look at your LCD and realize the bird occupies maybe 400 pixels of your frame. You need more reach, but your 600mm lens might as well be a 300mm for the shot you actually want.