Multiple Lens Test Report from What Digital Camera
2nd hand lens bargains - Nikon 18-35/3.5-4.5 D ED : Sigma 10-20/4-5.6 EX DC HSM : Nikon 24-120/3.5-5.6 D : Canon 75-300/4-5.6 EF III USM : Sigma 70-200/2.8 EX DG Macro : Nikon 80-400/4.5-5.6 D ED VR : Canon 100/2.8 EF Macro USM : Minolta 35/1.4 AF