Sea&Sea Optical YS Converter/N1 (#50126). 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.
Compatible housings: