TTL Converters

Manual Flash Trigger (MFT/SU)
for Sony

Manual Flash Trigger (MFT/S)
for Sony

Manual Flash Trigger (MFT/CN)
for Canon and Nikon

Optical YS Converter/CR
for MDX housing

Optical YS Converter/C2
for MDX housing

Optical YS Converter/N1
for MDX housing

Optical YS Converter/S2
for MDX housing

Manual Flash Trigger (MFT/SU) for Sony

Product No. 50146

For those who do not need TTL photography, the YS strobe can be manually flashed with a fiber-optic cable connection.

Manual Flash Trigger (MFT/S) for Sony

Product No. 50145

A device that converts strobe light emission signals into LED light. The battery level check function reduces the risk of not being able to emit light due to a dead battery.
Only manual flash is supported. Driving time is about 100 hours.

Specifications [User replaceable battery] (CR1632, coin type lithium battery) [Continuous standby time] about 100 hours [Number of possible flashes] 12,000 times [Operating environment temperature] 1℃-40℃

Optical converter compatible housings also supports the instillation of the MFT.
Sony compatible model.
Only strobes that support manual flash can be used.
TTL emission is not possible.

Manual Download

manual_50145_mft_s_manual.pdf

Manual Flash Trigger (MFT/CN) for Canon and Nikon

Product No. 50144

A device that converts strobe light emission signals into LED light. The battery level check function reduces the risk of not being able to emit light due to a dead battery.
Only manual flash is supported. Driving time is about 100 hours.

Specifications
[User replaceable battery] CR1632, coin type lithium battery
[Continuous standby time] about 100 hours
[Can be issued approximately] 12,000 times
[Operating environment temperature] 1℃-40℃

Optical converter compatible housings also supports the instillation of the MFT.
Canon/Nikon compatible model.
Only strobes that support manual flash can be used.
TTL emission is not possible.

Manual Download

manual_50144_mft_cn_manual.pdf

Optical YS Converter/CR for MDX housing

Product No. 50143

Converts the Canon EOS R's TTL signal to a light signal. Therefore, strobes can be fired as quickly as the strobes' recycle time.
Compatilbe strobes: YS-D3 MKII, YS-D3, YS-D2 and YS-D1.

Mechanical specifications are the same as other Optical YS Converters.

Specifications
Sea&Sea Optical Converter Firmware Update for YS-D3

Sea&Sea has now released firmware for updating existing S&S Optical Converts already in the field to enable YS-D3 compatibility.
In order to update existing S&S Optical Converters, please contact your local Sea&Sea Dealer or Sea&Sea Distributor.
Please note that the YS-110α position is utilized on existing Optical Converters for YS-D3 functioning.

The following Optical Converters, shipping from October 2020, are updated for D3 compatibility. Updated Optical Converters are distinguished by a “D3” position.

Note: After completing the update on existing units in the field and all Optical converters shipping after October 2020 will not be compatible with the YS-110αstrobes.

If you have any questions, please contact your local Sea&Sea Distributor.

Compatibility Chart

optical_converter_table.pdf

Optical YS Converter/C2 for MDX housing

Product No. 50142

A compact unit that converts the camera's TTL signal to a light signal. The converter can be mounted on the camera's accessory shoe and can be connected to (a) SEA&SEA strobe(s) with Fiber-Optic Cable(s) (*). TTL and manual modes can be switched by pushing the mode switch on the housing.

* SEA&SEA's Fiber-Optic Cable II must be used with an Optical YS Converter.

［Compatible housings］MDX-7D Mark II、MDX-5D Mark III ver.2 (with Canon EOS 5Ds or 5DsR).

FAQ

Specifications
[Controls] Power ON/Power OFF/TTL mode (indicated by blue lamp)/Manual mode (indicated by green lamp)
* Remaining battery level is indicated by flashing LED lamp.
[Auto Power Off] The converter will automatically power off if the shutter lever or the mode switch is not activated for more than one hour.
* The converter can be re-activated by pressing the mode switch.
[Power Source] 2 x AAA battery (Alkaline: 3.0V / Ni-MH: 2.4V)
[Power Source] (*1) Alkaline: 15 hours / Mi-MH: 12 hours (*2)
[Construction] Aluminum alloy (case)
[Dimensions (WxHxD)] 54.4 x 39.5 x 53.3mm / 2.1 x 1.6 x 2.1 inches (without cable)
[Weight] 54g / 1.9oz.

*1 Operating time depends on the battery brand, temperature and frequency of use.
*2 Operating time tested on 750 mAh batteries.

Sea&Sea Optical Converter Firmware Update for YS-D3

Sea&Sea has now released firmware for updating existing S&S Optical Converts already in the field to enable YS-D3 compatibility.
In order to update existing S&S Optical Converters, please contact your local Sea&Sea Dealer or Sea&Sea Distributor.
Please note that the YS-110α position is utilized on existing Optical Converters for YS-D3 functioning.

The following Optical Converters, shipping from October 2020, are updated for D3 compatibility. Updated Optical Converters are distinguished by a “D3” position.

Note: After completing the update on existing units in the field and all Optical converters shipping after October 2020 will not be compatible with the YS-110αstrobes.

If you have any questions, please contact your local Sea&Sea Distributor

Compatibility Chart

optical_converter_table.pdf

Manual Download

manual_jp_50142_optical_converter_c2.pdf

How to Fit the Optical YS Converter in a Compatible Housing

Optical YS Converter/N1 for MDX housing

Product No. 50126

* SEA&SEA's Fiber-Optic Cable II must be used with an Optical YS Converter.

［Compatible housings］MDX-Z7 MDX-D850 MDX-D810 MDX-D7100 MDX-D500

FAQ

Specifications
[Controls] Power ON/Power OFF/TTL mode (indicated by blue lamp)/Manual mode (indicated by green lamp)
* Remaining battery level is indicated by flashing LED lamp.
[Auto Power Off] The converter will automatically power off if the shutter lever or the mode switch is not activated for more than one hour.
* The converter can be re-activated by pressing the mode switch.
[Power Source] 2 x AAA battery (Alkaline: 3.0V / Ni-MH: 2.4V)
[Power Source] (*1) Alkaline: 15 hours / Mi-MH: 12 hours (*2)
[Construction] Aluminum alloy (case)
[Dimensions (WxHxD)] 54.4 x 39.5 x 53.3mm / 2.1 x 1.6 x 2.1 inches (without cable)
[Weight] 54g / 5.4oz.
(Housing(s) compatible with Optical YS Converter/N1): MDX-D7100

*1 Operating time depends on the battery brand, temperature and frequency of use.
*2 Operating time tested on 750 mAh batteries.

Sea&Sea Optical Converter Firmware Update for YS-D3

Sea&Sea has now released firmware for updating existing S&S Optical Converts already in the field to enable YS-D3 compatibility.
In order to update existing S&S Optical Converters, please contact your local Sea&Sea Dealer or Sea&Sea Distributor.
Please note that the YS-110α position is utilized on existing Optical Converters for YS-D3 functioning.

The following Optical Converters, shipping from October 2020, are updated for D3 compatibility. Updated Optical Converters are distinguished by a “D3” position.

Note: After completing the update on existing units in the field and all Optical converters shipping after October 2020 will not be compatible with the YS-110αstrobes.

If you have any questions, please contact your local Sea&Sea Distributor.

Compatibility Chart

optical_converter_table.pdf

Manual Download

manual_jp_50126_optical_converter_n1.pdf

How to Fit the Optical YS Converter in a Compatible Housing

Optical YS Converter/S2 for MDX housing

Product No. 50151

* SEA&SEA's Fiber-Optic Cable II must be used with an Optical YS Converter.

［Compatible housings］MDX-α7II MDX-α7III MDX-αU