Looking to sell or upgrade your own Sigma EF-500 DG ST Flashgun, Nikon Dedicated?

MODEL OVERVIEW
Sigma EF-500 DG ST Flashgun, Nikon Dedicated
Designed for use with 35mm and digital SLR cameras, the Sigma EF-500 DG ST Flashgun, Nikon Dedicated is a versatile flash.

Sigma EF-500 DG ST Flashgun, Nikon Dedicated