Compare Tamron SP 150-600mm f 5-6.3 Di VC USD G2 for Canon EF vs Sigma 150-600mm f 5-6.3 DG OS HSM Contemporary Lens for Canon EF vs Sigma 60-600mm f 4.5-6.3 DG OS HSM Sports Lens Canon EF vs Sigma 150-600mm f 5-6.3 DG OS HSM Sports Lens for Canon EF