TR TTL Electronics I-TURTLE 3 SMART TTL trigger for Nikon DSLR and MILC systems - LED for Optical Bulkheads
i-TURTLE SMART 3 ā TTL & Manual Trigger for Nikon DSLR and MILC systems
Reliable TTL and manual flash control via fiber optic or sync cord ā now in the powerful SMART 3 version.
TheĀ i-TURTLE SMART 3Ā is our latest-generation TTL trigger designed for Nikon DSLR and mirrorless cameras. This is more than a name update ā it featuresĀ all-new hardware,Ā upgraded software, andĀ expanded compatibilityĀ with todayās most advanced underwater strobes.
It is the perfect solution for professional underwater photographers who requireĀ accurate TTL exposure,Ā smart operation, andĀ broad compatibilityĀ with both cameras and strobes.
Ā Compatible Nikon Cameras (TTL / MANUAL mode):
Nikon MILC: Z30, Z50, Z6, Z6-2, Z7, Z7-2, Z9, Z8
Nikon DSLR:Ā D5, D4s, D4, D850, D810, D810A, D800, D750, D600, D500, D300, D300s, D7500, D7200, D7100, D7000, D90
Ā Compatible TTL Strobes (as of 06/2025):
-
Ikelite DS160, DS230
-
Seaflash 60D, 160D
-
Inon Z240 / Z330
-
Sea&Sea YS-D2J, YS-D3, YS-D3 DUO
-
Retra PRO X MILC
Retra PRO MAX DSLR/MILC -
AOI Intelli Strobe (SONY settings)
-
Backscatter HF-1(SONY settings)
-
APOLLO III V2.0, APOLLO S
HSS (High-Speed Sync)Ā available from camera menu
ā ļø We regularly add new supported strobes ā before purchasing, please download theĀ PC or Mac configuration softwareĀ to check compatibility with your system.
Ā Key Features ā SMART 3 Version
-
User-replaceable batteryĀ with 3Ć the capacity of previous SMART 1ā2 models
-
USB-C connectorĀ for charging and configuration
-
Reinforced switches and robust connectorĀ for LED or sync cord output
-
"SMART" buttonĀ to check battery status:
-
4 flashes = 100%
-
3 flashes = 75%
-
2 flashes = 50%
-
1 flash = 25%
-
-
TTL & Manual mode switching via the camera menu ā even underwater
-
First curtain
-
Second curtain
-
Package Includes:
-
1Ć i-TURTLE SMART 3 TTL Trigger for Nikon with accu
-
1Ć plus accumulator
-
1Ć LED panelĀ (or optional sync cord output)
-
1Ć USB-C charging and configuration cable
Ā
ForĀ fiber optic use, we recommendĀ multicore (613) cables.
At checkout, please let us know whichĀ strobe modelĀ andĀ connection typeĀ (fiber or sync cord) you will use ā so we can pre-configure the trigger for optimal performance.Manual Download
Tutorial videos
-
How to change the accu within a minute
https://www.youtube.com/watch?v=x1hy1vVInBw -
How to setup the trigger in windows
https://www.youtube.com/watch?v=UVkscXZP0QU
Product Information
Product Information
Shipping & Returns
Shipping & Returns






TR TTL Electronics I-TURTLE 3 SMART TTL trigger for Nikon DSLR and MILC systems - LED for Optical Bulkheads
TR TTL Electronics I-TURTLE 3 SMART TTL trigger for Nikon DSLR and MILC systems - LED for Optical Bulkheads
i-TURTLE SMART 3 ā TTL & Manual Trigger for Nikon DSLR and MILC systems
Reliable TTL and manual flash control via fiber optic or sync cord ā now in the powerful SMART 3 version.
TheĀ i-TURTLE SMART 3Ā is our latest-generation TTL trigger designed for Nikon DSLR and mirrorless cameras. This is more than a name update ā it featuresĀ all-new hardware,Ā upgraded software, andĀ expanded compatibilityĀ with todayās most advanced underwater strobes.
It is the perfect solution for professional underwater photographers who requireĀ accurate TTL exposure,Ā smart operation, andĀ broad compatibilityĀ with both cameras and strobes.
Ā Compatible Nikon Cameras (TTL / MANUAL mode):
Nikon MILC: Z30, Z50, Z6, Z6-2, Z7, Z7-2, Z9, Z8
Nikon DSLR:Ā D5, D4s, D4, D850, D810, D810A, D800, D750, D600, D500, D300, D300s, D7500, D7200, D7100, D7000, D90
Ā Compatible TTL Strobes (as of 06/2025):
-
Ikelite DS160, DS230
-
Seaflash 60D, 160D
-
Inon Z240 / Z330
-
Sea&Sea YS-D2J, YS-D3, YS-D3 DUO
-
Retra PRO X MILC
Retra PRO MAX DSLR/MILC -
AOI Intelli Strobe (SONY settings)
-
Backscatter HF-1(SONY settings)
-
APOLLO III V2.0, APOLLO S
HSS (High-Speed Sync)Ā available from camera menu
ā ļø We regularly add new supported strobes ā before purchasing, please download theĀ PC or Mac configuration softwareĀ to check compatibility with your system.
Ā Key Features ā SMART 3 Version
-
User-replaceable batteryĀ with 3Ć the capacity of previous SMART 1ā2 models
-
USB-C connectorĀ for charging and configuration
-
Reinforced switches and robust connectorĀ for LED or sync cord output
-
"SMART" buttonĀ to check battery status:
-
4 flashes = 100%
-
3 flashes = 75%
-
2 flashes = 50%
-
1 flash = 25%
-
-
TTL & Manual mode switching via the camera menu ā even underwater
-
First curtain
-
Second curtain
-
Package Includes:
-
1Ć i-TURTLE SMART 3 TTL Trigger for Nikon with accu
-
1Ć plus accumulator
-
1Ć LED panelĀ (or optional sync cord output)
-
1Ć USB-C charging and configuration cable
Ā
ForĀ fiber optic use, we recommendĀ multicore (613) cables.
At checkout, please let us know whichĀ strobe modelĀ andĀ connection typeĀ (fiber or sync cord) you will use ā so we can pre-configure the trigger for optimal performance.Manual Download
Tutorial videos
-
How to change the accu within a minute
https://www.youtube.com/watch?v=x1hy1vVInBw -
How to setup the trigger in windows
https://www.youtube.com/watch?v=UVkscXZP0QU
Original: $475.00
-65%$475.00
$166.25Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
i-TURTLE SMART 3 ā TTL & Manual Trigger for Nikon DSLR and MILC systems
Reliable TTL and manual flash control via fiber optic or sync cord ā now in the powerful SMART 3 version.
TheĀ i-TURTLE SMART 3Ā is our latest-generation TTL trigger designed for Nikon DSLR and mirrorless cameras. This is more than a name update ā it featuresĀ all-new hardware,Ā upgraded software, andĀ expanded compatibilityĀ with todayās most advanced underwater strobes.
It is the perfect solution for professional underwater photographers who requireĀ accurate TTL exposure,Ā smart operation, andĀ broad compatibilityĀ with both cameras and strobes.
Ā Compatible Nikon Cameras (TTL / MANUAL mode):
Nikon MILC: Z30, Z50, Z6, Z6-2, Z7, Z7-2, Z9, Z8
Nikon DSLR:Ā D5, D4s, D4, D850, D810, D810A, D800, D750, D600, D500, D300, D300s, D7500, D7200, D7100, D7000, D90
Ā Compatible TTL Strobes (as of 06/2025):
-
Ikelite DS160, DS230
-
Seaflash 60D, 160D
-
Inon Z240 / Z330
-
Sea&Sea YS-D2J, YS-D3, YS-D3 DUO
-
Retra PRO X MILC
Retra PRO MAX DSLR/MILC -
AOI Intelli Strobe (SONY settings)
-
Backscatter HF-1(SONY settings)
-
APOLLO III V2.0, APOLLO S
HSS (High-Speed Sync)Ā available from camera menu
ā ļø We regularly add new supported strobes ā before purchasing, please download theĀ PC or Mac configuration softwareĀ to check compatibility with your system.
Ā Key Features ā SMART 3 Version
-
User-replaceable batteryĀ with 3Ć the capacity of previous SMART 1ā2 models
-
USB-C connectorĀ for charging and configuration
-
Reinforced switches and robust connectorĀ for LED or sync cord output
-
"SMART" buttonĀ to check battery status:
-
4 flashes = 100%
-
3 flashes = 75%
-
2 flashes = 50%
-
1 flash = 25%
-
-
TTL & Manual mode switching via the camera menu ā even underwater
-
First curtain
-
Second curtain
-
Package Includes:
-
1Ć i-TURTLE SMART 3 TTL Trigger for Nikon with accu
-
1Ć plus accumulator
-
1Ć LED panelĀ (or optional sync cord output)
-
1Ć USB-C charging and configuration cable
Ā
ForĀ fiber optic use, we recommendĀ multicore (613) cables.
At checkout, please let us know whichĀ strobe modelĀ andĀ connection typeĀ (fiber or sync cord) you will use ā so we can pre-configure the trigger for optimal performance.Manual Download
Tutorial videos
-
How to change the accu within a minute
https://www.youtube.com/watch?v=x1hy1vVInBw -
How to setup the trigger in windows
https://www.youtube.com/watch?v=UVkscXZP0QU















