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Sea & Sea's Optical YS Converter is an internal TTL converter that plugs into the camera hot-shoe and works for fiber optic cables. Now get the best of both worlds and bypass the internal camera flash with it's slow recycle rate and get rid of the bulkier electronic sync cords that can short out of flood.
The new Optical YS Converter is easy to install and even easier to use. Simply screw into place inside the housing and attach the hotshoe to your camera. Make sure its adjusted for your strobes (the converter works with Sea & Sea's YS-D1, YS-01 and YS-110a) and you're done. To use simply turn on with the push of a button. Another push of the button takes it out of TTL to manual mode if you want to have further control of your strobes. All fine tuning is done through the EV controller on the back of your strobes.
Currently the new Optical YS Converter will work with the Sea & Sea housing for Nikon D7100 and Canon SL1, and is coming soon for the new Canon 70D. Unfotunately Sea & Sea is not going to be designing them to work with previous housings, so your D800, D600, 7D and 5DMKIII will not work.
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