Peace, mercy, and blessings of God be upon you. For sale is a rare piece for macro photography enthusiasts and professionals and classic cameras: the professional flash controller Nikon AS-14 Controller (Made in Japan). Function: The basic unit for operating and controlling the Nikon SB-21 ring flash on cameras with a standard flash base. Condition: Very excellent and completely clean (as shown in the pictures), and the lower teeth are intact. Accessories: Comes with its rare original Nikon SS-17 leather bag.