What's up, dock? Sigma USB Dock review
Sigma has been doing lots of good things recently, and one of its most interesting recent products is the USB Dock. This device connects a lens to a computer and, in concert with Sigma's Optimization Pro software, allows the user to do such things as update the firmware and configure detailed autofocus microadjustment settings. In our quick review we take a close look at how it works and what it can do.