Sigma 120-400mm f/4.5-5.6 DG OS HSM lens
# Sigma 120-400mm f/4.5-5.6 DG OS HSM lens

The Sigma APO 120-400mm F4.5-5.6 DG OS HSM lens is a super-telephoto lens produced by Sigma Corporation. It contains three SLD (Special Low Dispersion) glass elements to provide correction for chromatic aberration. It is aimed toward advanced consumers.

