Flash adapters make it possible to attach your flashgun to a a wide variety of lenses. Most flashes already come supplied with an adapter but various other sizes are available
Macro Flash Adapter
Padded Case EM-140
Soft Case For EF-140S SA-STTL Electronic Flash
Off Camera Flash Stand
Flash USB Dock FD-11
This accessory is used to dock the EF-630 and update its firmware in the exclusive SIGMA Optimization Pro software. The dock is connected to a personal computer via a USB cable.
USB Cable For FD-11
USB Cable AW8000 supplied with the dp Quattro cameras and FD-11. Available to order as a replacement.