UW Technics ships TTL circuit for Nauticam NA-EM1X

UW Technics is shipping a TTL circuit board for the Olympus OM-D E-M1X camera in the Nauticam NA-EM1X housing. It offers electro-optical or electrical TTL or manual strobe triggering. The circuit also provides control of strobe output via the camera’s controls and access to camera menu functions. It is user installable.

The UW Technics TTL converter for the Nauticam NA-EM1X housings his shipping now, priced at $380.

Press release

UW Technics ships TTL converter for Nauticam NA-EM1X housing

UW Technics successfully tested Optoelectronic TTL Converter for Nauticam NA-EM1X housing (for Olympus OM-D E-M1X camera)

The new product line from UW Technics includes Olympus compatible TTL circuitry. It includes a few versions of internal TTL Converters for underwater housings purposed for M4/3 family cameras.

Combined circuit

The combined circuit, consisting of Optical TTL and Electrical TTL system is on a single board with both triggering methods available both separately or simultaneously.

TTL Accuracy

The newest firmware contains an accurate TTL profile for each strobe type: Inon Z-330, Z-240, D-2000, S-2000; Ikelite DS-161, DS-160; Sea&Sea YS-D1, YS-D2, YS-250; Subtronic Pro-270, Pro-160. Strobe type can be easily set by onboard 10-position rotary switch.

No onboard battery required

This version TTL Converter does not need an onboard battery or mechanical On/Off switch. Product has microcurrent consumption from camera HotShoe pin; it switches On/Off automatically by camera command.

Easy User Installation

Installation is straightforward and takes around 15 seconds. User’s Manual is included with the circuit.

Easy control via the camera menu

TTL circuit is fully controllable via camera menu, including switching TTL/M, 1-st/2-nd Curtain, adjustment +/- Flash Exposure Compensation, Flash «Off», etc.

TTL-Converter special feature for M mode: Comfortable manual control for underwater strobe intensity using camera wheel and camera scale 1/64….1/1

TTL circuit firmware has a special module, which allows the photographer to use three variants of M mode, including the classic method and advanced method as well. Advanced control allows a user to adjust underwater strobe light intensity manually via camera scale 1/64 ….. 1/1 (Full). This case photographer does not need to operate any dial switches on the strobe body; he can keep hands on the housing, switch M mode and set the flash intensity by camera controls, comfortably shooting in M mode.

Specifications of TTL Converter #11074:

Compatible photo cameras: Olympus OM-D EM1X / EM1 II / EM5 II / EM10 II / EM10 III
Compatible underwater housing: Nauticam
Compatible strobes:
* Inon Z-330, Z-240, D-2000, S-2000;
* Sea&Sea YS-250, YS-D1,YS-D2;
* Ikelite DS-161, DS-160;
* Subtronic Pro-270, Pro-160.
TTL outputs onboard: 2 optical + 1 electric
(+/- Ev) “Flash Exposure compensation” adjustment: yes
“TTL / M” mode switching: yes
Manual Adjustment of strobe intensity (by camera controls in “M” mode): 1/64…..Full
1-st / 2-nd curtain mode: yes
“Flash Off” mode: yes
Continuous (serial) shooting mode: yes
Switching power “On/Off”: automatic by camera command
Battery: no battery required
Current consumption (in standby mode): 0.1 mkA
Compatible Fiber-optic cable type: Nauticam #26216, #26217
Compatible Electric cable: Sea&Sea, Ikelite, Subtronic, Subal
Compatible Dual Electric cable: Sea&Sea, Ikelite
Electric Bulkhead type (optional accessory): Nikonos-5, Ikelite, S-6


UW Technics can be contacted via email or via their Facebook Page. Full specifications and detail of all their products are available on the UW Technics website.