Adjust and update select Sigma L-mount lenses, teleconverters, and mount converters with the UD-11 USB Dock. Used in conjunction with Sigma's Optimization Pro software, this useful accessory can be used to update lens firmware as well as adjust the amount of focus movement and MF timing when operating the focus ring.
Lens Compatibility
The UD-11 USB Dock can be used to update firmware as well as fine-tune the manual focus operation timing adjustment on the following lenses:
The UD-11 USB Dock can be used to update firmware on the following lenses, teleconverters, and mount converters:
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