You know, I am sick of these lens manufacturers, like Sigma, half-assing telephoto lenses. They are just so small and dinky, like this 200-500mm F2.8 EX DG lens. Come on, Sigma, get your act together and make some real telephoto lenses. (Ignore my attempts at sarcasm, this thing is a behemoth)

Sigma's Hydrocephalic Telephoto Lens [Dethroner]