I am selling UW Technics #11075-HSS Optoelectronic TTL-Converter for SONY A1, A9 series (A9 and A9ii) and all A7 series (from A7 to A7iV, from A7r to A7Riv) for all NAUTICAM underwater housings. Compatible underwater strobes: Inon Z-330 / Z-240 / S-2000, Sea&Sea YS-D1 / YS-D2 (China)/ YS-250, Ikelite DS161 /, DS160, Subtronic Pro-270 / Pro-160, Retra Pro (including HSS).
Working perfectly. Nice TTL results. Also Allows for Manual mode. Comes with 2 fresh CR-2032 batteries
Price new = 485 US$
I will let it go for 255 $US including shipping worldwide.
Eric