Underwater Technics

22/08/2026

Underwater Technics announce:
TTL Converter #11099-HSS for Nauticam NA-A7RVI housing (for Sony A7RVI camera).

- Updated hardwire for Sony cameras support,
- Two electric sockets onboard (for a pair of UWTechnics M10 or M14/M24 electric bulkheads),
- New shape and mount specially designed for NA-A7RVI housing,
- HSS flash sync speeds up to 1/8000 s,
- TTL and M modes with most of popular underwater strobes: Sea&Sea, Retra, Inon, Marelux, Ikelite etc.
- 2 Optical + 2 electric outputs working simultaneously in all TTL/HSS/M modes,
- Device is fully controllable by the camera menu underwater.

TTL Converter #11099-HSS is currently available in UWTechnics online store: uwtechnics.com

21/08/2026

NEW!
TTL Converter 11099-HSS for Nauticam NA-A7RVI housing

21/08/2026

Tim Gurney article in "Waterpixels" magazine -
Experience of installation and first tests of Underwater Technics TTL-Converter for OM System camera in Nauticam housing

Having recently written about installing the o-Turtle trigger into a Nauticam housing, I’ve now had a go with a UWT internal trigger for the Nauticam NA-OM1 housing. UWT describes it as the 11072-22-HSS TTL-Converter for NAUTICAM for OLYMPUS/ OM SYSTEM.The UWT trigger arrives in a bubble-wrap env....

07/08/2026

UWTechnics TTL Converters for latest models of Marelux underwater housings for Sony A7 line:
- TTL Converter #11095-HSS for MA-A7M5 and MX-A7V housings
- TTL Converter #11050-HSS for MX-A7RV housings

28/07/2026

UWTechnics External TTL Converter for SEAFROGS
polycarbonate housings.

- Easy installation as a replacement of electric bulkhead on the top of the housing.
- Available versions for Sony, Canon, Nikon and Olympus / OM System cameras.
- Device is fully controllable by camera menu.
- Automatic TTL, HSS and M flash control for most of popular underwater strobes: Sea&Sea, Marelux, Retra, Inon etc.
- Front / Rear curtain synchronization.
- HSS flash sync speeds up to 1/8000 sec.

27/07/2026

Underwater Technics TTL Converter #11095 for Sony
installed in the Marelux housing MX-A1 II

Marelux A1ii安裝UWtech TTL訊號轉換器就長這樣。提供TTL, HSS....

HSS 高速快門
壓光新手記三句話就夠了：
1. 快門管背景有多暗，閃光燈管人臉有多亮，二個參數各調各的，別混一起
2. 不是閃光燈比太陽亮，是相機先把太陽壓暗，閃光燈再把人拉回正常亮度
3. 順序千萬別搞反：先關燈把背景調好，再開燈慢慢加功率

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台北店：台北市南港區忠孝東路六段106號
台南店：台南市北區林森路三段134號

04/06/2026

TTL Converter 11063-HSS for NEXUS housings for Nikon.
Product supports 2 optical + 2 electrical original Nexus bulkheads in TTL / HSS and M modes.

Product page: https://uwtechnics.com/product/11063-hss-ttl-converter-for-nikon-for-nexus-housings/

23/05/2026

APOLLO-Y strobe has been tested with UWTechnics TTL-Converters.
Perfect HSS and TTL flash control has been confirmed for all camera systems: Sony, Nikon, Canon, and OM System.
APOLLO-Y strobe is now included in the list of supported strobes and will be added to the User Manuals of TTL-Converters.

15/05/2026

UWTechnics TTL Converter 11095-HSS-MFC
for Marelux housings for SONY A1 II.

Product is available in UWTechnics online store: https://uwtechnics.com/product/11095-hss-mfc-marelux-mx-a1ii-a9iii-underwater-housing-with-metal-frame-for-sony-a1ii/

19/03/2026

UWTechnics produces the internal TTL converter 11048-HSS for the newest Sea&Sea line of underwater housings for Nikon Z5II, Z6II, Z7II.
- Firmware contents the profiles of most popular underwater strobes: Retra, Apollo, Inon, Sea&Sea, Ikelite, Subtronic etc, including newest YS-D130R strobe !!
- HSS functionality (flash sync speeds up to 1/8000 s).
- Strobes connection is available by fiber optic cables and by electric sync cord as well.
- Flash system is fully controllable underwater by camera menu.
- Replaceable battery CR2032, incredibly long battery life 1-3 years of continuous work.