Sigma 100-400mm f/5-6.3 DG OS HSM | Contemporary | Lens Review

Introduction I was able to field test the Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary Lens (Sigma 100-400C) extensively for 25 days on a recent birding trip through South Africa. The lens was challenged by varied shooting conditions from the dry, dusty Northern Cape, the cold uplands of Lesotho and the moist savannahs and forests of KwaZulu-Natal. What appealed to me about this lens the most is the versatile focal range in a compact form. For most of my shooting (and being an avid birder), mobility is often key, and… read more →