TTL-Converter for Olympus for NAUTICAM NA-EM1 III, NA-EM10 IV, NA-EM1X underwater housings
New style Hot Shoe (5 pins+frame) of Mirrorless System. (22 mm between optical sockets)
TTL-Converter does not need a battery.
Compatible housings: NA-EM5 III (18 mm version). Compatible underwater strobes: Inon Z-330 / Z-240 / S-2000, Sea&Sea YS-D1 / YS-D2 (China) / YS-D3 / YS-250, Ikelite DS16 /, DS160, Subtronic Pro-160, Retra Pro (including HSS).