Canon ST-E3-RT Remote Flash Control Transmitter

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100694
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product overview
product overview
  • Facilitates Wireless Transmission
  • 5 Groups or 15 Individual Speedlites
  • Range Up to 30 m
  • Makes Complex Lighting Setups Simple
  • Compact Design & Reliable Construction
  • Clearly Laid Out Information Panel
  • Buttons With Back Lighting

The Canon ST-E3-RT Speedlite Transmitter can help you take full advantage of all the features on Canon's Speedlite 600EX-RT and 430EX III-RT flashes. The ST-E3-RT makes complex lighting setups simple by facilitating radio-controlled, two-way wireless transmission up to 30 m away, among up to five groups or fifteen individual Speedlites. It has controls similar to the Speedlite 600EX-RT, including multiple flash metering options, and a variety of flash modes. Compact design with highly reliable construction combined with a clearly laid-out information panel and buttons with backlighting makes this an indispensable tool for advanced professional flash photography. The ST-E3-RT represents the next generation in wireless flash systems.

Note: Because it does not have an optical transmission function, the Speedlite Transmitter ST-E3-RT is not compatible with earlier Speedlite models such as 580EX II.


Key Features of the Canon ST-E3-RT Remote Flash Control Transmitter

  • A newly-designed wireless system uses 2-way radio wave communication for enhanced communication among master and slave units. Achieves a transmission distance of up to 30 m, all at a 360-degree angle.
  • Up to 5 groups or 15 individual flashes can be controlled via 1 transmitter.
  • Supports E-TTL II flash, manual flash, stroboscopic, and auto external flash metering.
  • Dot-matrix LCD panel displays all pertinent information simultaneously and a backlit control panel means easy operation.
  • 8 types of custom functions, 3 types of personal functions.
  • Improved hot shoe contacts for more reliable information transmission and operation.
  • Slave operation confirmation
  • Not compatible with earlier Speedlite models such as 580EX II

Green Light Lit

Radio Transmissions Okay

Red Light Lit

Not Connected

Blinking

Transmission Error/ Too many units

Receiving remote release shooting, linked shooting signal

Orange Light Lit

Sub-master transmission


  • MPN - STE3RT
  • GTIN - 013803142488
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Type Radio transmissions wireless Speedlite transmitter
Flash Ratio Control Ratio control: 1:8 - 1:1 - 8:1, power 1/2-stop increments
Transmission Range Approx. 30m
Battery Type AA LRG Alkaline Batteries  x 2 (Ni-MH and Lithium batteries can also be used)
Battery Life: Approx. 10 hours continuously when using AA/LR6 alkaline batteries (At a room temperature of  +23°C ).
Dimensions 0.74x 0.54 x 0.3 cm
Weight 0.11 Kg excluding battery
Coverage Flash coverage: Transmission Angle: 360 all around
Receiver Unit SE Model Cancellation The test flash button can be pressed to test if the receiver units fire or cancel the auto power-off status.
Flash Exposure Confirmation Flash exposure confirmation lamp lights in green
Sync Speed High-Speed Sync provided (EOS-1D X and EOS 5D Mark III only)
Compatibility Type-A EOS cameras (E-TTL II/E-TTL autoflash)
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What’s In The Box
  • Canon ST-E3-RT Remote Flash Control Transmitter 
  • Soft Case 
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