UW Technics External 1/2" UNF20 Optical TTL-Converter for Sony a9 III cameras for Ikelite

This is an external ½-20 inch Optical TTL converter for Nikon cameras (for aluminum underwater housings: IKELITE). It is installed in the ½-20 inch threaded hole on the top of the housing and nut. 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)