Sigma
UD-11 (Canon EF-M)
USB Dock for Canon EF-M
The Sigma UD 11 USB Dock for EF-M is designed for updating and adjusting select Sigma Canon EF-M lenses. This useful accessory can be used in conjunction with Sigma's Optimization Pro software to update lens firmware and fine-tune the manual focus operation timing for select lenses.
Compatible lenses include:
16mm f/1.4 DC DN Contemporary
30mm f/1.4 DC DN Contemporary
56mm f/1.4 DC DN Contemporary