o-TURTLE SMART 3 – TTL & Manual Trigger for Olympus and Panasonic systems
Reliable TTL and manual flash control via fiber optic or sync cord – now in the powerful SMART 3 version.
The o-TURTLE SMART 3 is our latest-generation TTL trigger designed for Olympus and Panasonic mirrorless cameras. This is more than a name update – it features all-new hardware, upgraded software, and expanded compatibility with today’s most advanced underwater strobes.
It is the perfect solution for professional underwater photographers who require accurate TTL exposure, smart operation, and broad compatibility with both cameras and strobes.
Panasonic Wireless mode only TTL control available (HF-1 feature)
APOLLO S
HSS (High-Speed Sync) is automaticly switching the limit which can be set in the setup software:
⚠️ We regularly add new supported strobes – before purchasing, please download the PC or Mac configuration software to check compatibility with your system.
Key Features – SMART 3 Version
User-replaceable battery with 3× the capacity of previous SMART 1–2 models
USB-C connector for charging and configuration
Reinforced switches and robust connector for LED or sync cord output
"SMART" button to check battery status:
4 flashes = 100%
3 flashes = 75%
2 flashes = 50%
1 flash = 25%
TTL & Manual mode switching via the camera menu – even underwater
First curtain
Second curtain
Package Includes:
1× o-TURTLE SMART 3 TTL Trigger for Olympus/Panasonic with accu
1× plus accumulator
1× LED panel (or optional sync cord output)
1× USB-C charging and configuration cable
For fiber optic use, we recommend multicore (613) cables. At checkout, please let us know which strobe model and connection type (fiber or sync cord) you will use – so we can pre-configure the trigger for optimal performance.
Software Downloads
PC Setup Software – available from our website
Mac Version – available soon on the Apple App Store
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