Canon ST-E3-RT (5743B002) Speedlite Transmitter Series: Speedlite Specifications: Transmission System: Radio Transmission Transmission Range: Approx. 98.4 ft. (30m) Flash Ratio Control: 1:8 - 1:1 - 8:1, power 1/2-stop increments Flash Coverage: Transmission Angle: 360 degrees all around Slave Operation Confirmation: Green Light: - Lit: Radio Transmissions Okay Red Light: - Lit: Not Connected - Blinking: Transmission Error/ Too many units (Master units + slave units = more than 16 units) Orange Light: - Lit: Sub-master transmission - Blinking: Receiving remote release shooting, linked shooting signal Slave Unit SE Mode Cancellation The test flash button can be pressed to test if the slave units fire or cancel the auto power off status. Compatibility: Type A EOS cameras (E-TTL II/E-TTL autoflash) Power Source: AA/LRG Alkaline Batteries x2 (Ni-MH and Lithium batteri...
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