The Sigma 300mm F2.8 EX APO DG HSM
The Sigma 300mm F2.8 EX APO DG HSM is fast aperture, prime telephoto lens that is essential for many pros and enthusiasts specializing in sports, wildlife and even portraiture.
The long focal length and the fast aperture combine to help you make images with a super-sharp and razor-thin zone of focus at the widest apertures. And the F2.8 aperture also allows for faster shutter speeds.
This is great for freezing action and isolating fast-moving subjects such