The PocketWizard FlexTT5 Transceiver Radio Slave is part of an ultra-versatile radio slave system, and is dedicated specifically to the Nikon i-TTL flash control system. It simply slides directly into the camera's hot shoe, and there are no special settings to make or modes to call up. Use the camera, on-camera flash, or flash commander controls for flash compensation, zone and ratio control. It supports single or multiple dedicated flash units. The FlexTT5 is a "Transceiver", meaning it can be used either as a transmitter placed into the camera's hot shoe, in combination with another FlexTT5 unit on the flash end, or as a receiver, with a MiniTT1 transmitter-only unit placed on the camera's hot shoe.

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