Sigma updates USB dock for new lenses

Lens manufacturer Sigma has issued an update to the firmware of its USB dock to make it compatible with the new 150-600mm f/5.6-6.3 DG OS HSM S and 18-300mm f/3.5-6.3DC Macro OS HSM lenses. Although these lenses are available in Sigma, Canon and Nikon mounts, the update for the USB dock does not yet cover these lenses in the Nikon fit, and Sigma hasn't indicated when it will. Read more