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Sigma FD-11 USB Dock for Flashguns - Sigma

Update your EF-630 Electronic Flash for Sigma usingSigma'sOptimization Pro software on your computer with thisFD-11 Flash USB Dock. This allows you to plug your flash in via a USB connection and install firmware updates for enhanced functionality and compatibility. Sigma FD-11 USB Dock for Flashguns Update your EF-630 Electronic Flash for Sigma usingSigma'sOptimization Pro software on your computer with thisFD-11 Flash USB Dock. This allows you to plug your flash in via a USB connection and install firmware updates for enhanced functionality and compatibility. View All Sigma FD11 USB Dock for Flashguns Variants