i-TURTLE 3 Smart TTL Trigger for Nikon DSLR & Z Systems

Professional TTL trigger for Nikon DSLR and mirrorless cameras – ideal for underwater photography.

i-TURTLE 3 for Nikon: Perfect combination of TTL & HSS

The i-TURTLE 3 from TRT-Electronics is a cutting-edge electronic TTL trigger for Nikon DSLRs and Nikon Z mirrorless cameras (MILC). This compact device is perfect for ambitious underwater photographers who need reliable TTL exposure control and high-speed sync (HSS) with strobes like Inon, Sea&Sea, Ikelite, or Retra.

Directly connected to your camera’s hot shoe, the i-TURTLE 3 enables precise control of underwater strobes – either via fiber optic (LED output) or electrical connection (with optional converter). Conveniently configured via USB and supplied software (for Mac & Windows), allowing for firmware updates and custom settings.

Main Features of the i-TURTLE 3 TTL Trigger for Nikon

• Compatible with Nikon DSLRs (e.g. D850, D500) & Z-series cameras (Z6, Z7, Z8, Z9)
• TTL and manual control via fiber optic connection
• Supports high-speed sync (HSS) for action and sunlight shots
• USB setup software for custom strobe profiles & firmware updates
• Built-in LED output for fiber optic cables
• Compact design – fits easily inside housings
• Powered directly by the camera (no separate battery needed)
• Compatible with popular strobes like Inon Z-330, Sea&Sea YS-D3, Retra Flash, Ikelite DS160/230, etc.

Compatibility & Connection Options

The i-TURTLE 3 supports various strobe brands – provided your underwater housing allows fiber optic transmission or uses an appropriate TTL converter (e.g. for Ikelite). Individual configuration for each strobe type is easy via USB setup software.

Tip: For electrical strobe connections such as with Ikelite systems, we recommend the separately available HSS TTL Converter from TRT-Electronics.

Scope of Delivery

• i-TURTLE 3 TTL trigger for Nikon
• Preinstalled firmware for Nikon DSLR or Z cameras
• LED output (for fiber optic use)
• Micro USB cable
• Access to setup software (download)
• Quick start guide

Conclusion

The i-TURTLE 3 is a powerful TTL trigger for Nikon cameras, optimized for the demands of underwater photography. Compact, intelligent, and precise – ideal for creative lighting underwater in both TTL and manual modes.

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