SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary Versus SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary » 100 willet 1500
An Eastern Willet is razor sharp against softened wavelets at 400mm on the 100-400mm F5-6.3 DG OS HSM | C lens. 1/800 F6.3 ISO 400.