We pioneered underwater TTL flash exposure for DSLR and mirrorless cameras and this is the next iteration of our world renowned Sony TTL flash circuitry. 

Key Advantages

• Faster, more accurate, and more reliable than fiber optic TTL triggers
• Always ready when you are - no batteries required
• Switch between TTL and manual exposure with the press of a button
• Supports flash exposure (EV) compensation set in the camera
• Supports rear curtain sync
• Improves strobe battery life and recycle time
• One TTL converter supports a wide selection of camera models
• Independently waterproof sealed