UW Technics External M24 Optical TTL-Converter for Sony a9 III

  • Designed for Sony a9 III Cameras
  • Fits 24mm bulkheads on Marelux, Isotta, Aquatica, Seafrogs Aluminum Housings
  • Compatible underwater strobes:
    • Inon Z-240, Z-330, S-220, D-200
    • Sea&Sea YS-D1, YS-D3 Mark II, YS-D3 DUO
    • Retra Pro MAX (including HSS),
    • Marelux APOLLO III V2.0 (including HSS), Marelux APOLLO-S (including HSS)
    • Backscatter Hybrid Flash, Mini Flash 2 (Manual & HSS)

SKU: # ut-18024-m24

Overview / Product Description


UW Technics External M24 Optical TTL-Converter for A9 III (camera with Global Shutter) M24 Bulkhead Marelux, Isotta, Aquatica, Seafrogs (Aluminum)



This is an external M24 Optical TTL converter for Sony a9 III cameras (for aluminum underwater housings: Marelux, Isotta, Aquatica, Seafrogs). It is installed in the M24 threaded hole on the top of the housing. Please check its compatibility with a specific housing.


Compatible underwater strobes:

  • Inon Z-240, Z-330, S-220, D-200
  • Sea&Sea YS-D1, YS-D3 Mark II, YS-D3 DUO
  • Retra Pro MAX (including HSS),
  • Marelux APOLLO III V2.0 (including HSS), Marelux APOLLO-S (including HSS)
  • Backscatter Hybrid Flash, Mini Flash 2 (Manual & HSS)