There are a lot of crazy lenses out there, whether by design or price (some by both), and the Sigma APO 200-500mm f/2.8 EX DG sits near the top of both those categories. Not many photographers ever get the privilege to shoot with one, but this camera reviewer did, and this awesome video takes a look at his experience with this ridiculous lens.
[ Read More ](Originally posted by Alex Cooke)