SIGMA USB DOCK - Tutorial - Get more from your SIGMA lenses

Have you ever wondered if you need a SIGMA USB DOCK? Discover how the SIGMA USB DOCK can be used on SIGMA Global Vision lenses to change functions, tweak focus settings, upgrade lens firmware and more. SIGMA USB Dock's are compatible with select SIGMA lenses. Check compatibility and find out more on the SIGMA Global website: Canon & Nikon https://www.sigma-global.com/en/acces... L-Mount & EF-M: https://www.sigma-global.com/en/acces...