TTL-Converter for Sony A7-A9 in ISOTTA housings

This item is discontinued. Please find accessories and technical data here.
Product number: UT11059HSS

TTL-Converter for SONY A1-A9 cameras for ISOTTA underwater housings, including Leak Detector electronics, Sirene, Leak Sensor, and 2 pcs LEDs (without Optical Bulkheads).

Compatible underwater strobes: Inon Z-330 / Z-240 / S-2000, Sea&Sea YS-D1 / YS-D3 Mark II / YS-250, Ikelite DS-230 / DS-162 / DS161 /, DS160 / DS-125, Subtronic Pro-270 / Pro-160, Retra Pro X (including HSS).

Two optional ISOTTA electric bulkheads are supported as well, onboard sockets have ISOTTA style pinout. This TTL board is purposed for installation instead of Isotta electronics, directly on the metall wall of the housing upper front part, or on the plastic podium in the same place. Check your housing regarding such installation version before TTL system purchasing.

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Technical data

compatible strobes:




  • Inon Z-240, Z-330, S-2000

  • Ikelite DS-161, DS-160

  • Sea&Sea YS-D1 / YS-D2 (China) / YS-250,

  • Subtronic Pro-270 / Pro-160,

  • Retra Prime und PRO (X)  (including HSS)


Scope of delivery
TTL-Converter for Sony A7-A9 in ISOTTA housings by UW-Technics

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