The new Sigma USB dock is now shipping for Nikon mount lenses. As you may recall, the USB dock allows you to update firmware for all of the lenses whenever Sigma releases upgrades. On the ‘A’ and ‘C’ series lenses, the USB dock gives you additional functionality of modifying the focus speed of the lenses. Check it out here at B&H Photo.
Can this be away of hacking the firmware of Nikon, Canon, lenses.