The Sigma USB Dock ($59 direct)($42.00 at Amazon) is an inexpensive accessory that allows you to take full control over the performance of your Sigma lenses. It's compatible with recent glass that's ...

The Sigma USB Dock ($59 direct) is an inexpensive accessory that allows you to take full control over the performance of your Sigma lenses. It's compatible with recent glass that's part of the company ...

The Sigma USB Dock makes it easy to perform microfocus adjustments and customize some behaviors of recent Sigma lenses.