Bang for the buck, a photographer’s tool, more than meets the eye, moneys worth of performance – It’s hard not to throw around with clichés you haven’t heard before especially when every now so often there’s actually a product that deserves these high praises. The question is, is the Sigma 120-300mm F2.8 EX DG OS APO HSM as good as the expectations and even better than the predecessor? – Read along and find out.