Product picture - Visual Echoes FX2 Better Beamer Flash Extender for Use with Telephoto Lenses - for Canon 540EZ & 550EX, Nikon SB-25 & 26, Sigma EF500 Series Visual, Echoes, FX2, Better, Beamer, Flash, Extender, Use, with, Telephoto, Lenses, Canon, 540EZ, &, 550EX, Nikon, SB-25, &, 26, Sigma, EF500, Series Click the image to close this page