Sunpak INTERFACE Module HA-1D 

(503CX/500ELX) NEVER USED JUST TESTED. 

LISTING AS USED BECAUSE I HAVE HAD 

IT FOR QUITE A FEW YEARS 

AND IT HAS BEEN FROM SHELF TO SHELF.

IF IN NEED OF A DIFFERENT MODULE

PLEASE CHECK MY OTHER ITEMS 

OR DROP ME A LINE, I DO HAVE THEM FOR

A LOT OF DIFFERENT MOUNTS/CAMERAS.

THANK YOU.