Sigma Fd-11 Flash USB Dock For Sigma Ef-630 Flash

• Exclusive accessory for Sigma EF-630 Electronic Flash
• Provide connection to computers for regular firmware updates

Update your EF-630 Electronic Flash using Sigma's Optimization Pro software on your computer with this FD-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.