Canon ST-E3-RT Speedlite Transmitter

Rental Rates

Competitive pricing for all rental durations

  • Daily: $11.00
  • Weekly: $57.00
  • Monthly: $217.00
The Canon ST-E3-RT Speedlite Transmitter is Canon’s first wireless transmitter based on radio-signal technology. Key features include: 98.4-ft. range Line-of-sight-free shooting with compatible Speedlites On-board ratio and power-setting adjustment Flexibility. The Canon ST-E3-RT Speedlite Transmitter gives users the flexibility of line-of-sight-free shooting when coupled with the Canon Speedlite 600EX II-RT, 600EX-RT, or 430EX III-RT. With a range of 98.4 feet and the ability to adjust ratios and actual power settings from the transmitter itself, the ST-E3-RT greatly simplifies elaborate lighting setups. Intuitive Controls. The ST-E3 features a detailed LCD with clearly laid out, backlit buttons for full control of settings. Since the transmitter uses a radio signal, it’s only compatible with the radio-signal based 600EX-RT. Despite this, the ST-E3-RT transmitter still offers more control of its compatible Speedlite than any other trigger system out there.
Flash Type Radio transmissions wireless Speedlite transmitter Compatible Cameras Type A EOS cameras (E-TTL II/E-TTL autoflash) Sync Speed High-Speed Sync provided (EOS-1D X and EOS 5D Mark III only) Flash Exposure Confirmation Flash exposure confirmation lamp lights in green * If it does not light, shooting is not performed with the standard exposure AF Assist Beam N/A Wireless Functions 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° all around Secondary Operation Confirmation Green Light Lit: Radio Transmissions Okay Red Light Lit: Not Connected Blinking: Transmission Error/ Too many units (Primary units + Secondary units = more than 16 units) Orange Light Lit: Sub-primary 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. General Power Source AA/LRG Alkaline Batteries x2 (Ni-MH and Lithium batteries can also be used) Battery Life: Approx. 10 hours continuously *When using AA/LR6 alkaline batteries used (At a room temperature +23°C/73°F). SE Mode Power off after 5 min. of idle operation Dimensions 2.65 (W) x 2.42 (H) x 3.05 (D) in. / 67.4 (W) x 61.5 (H) x 77.4 (D) mm Weight 3.9 oz. / 110g (excluding battery)
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