Canon ST-E3-RT Speedlite Transmitter

Canon ST-E3-RT

Product Summary

Key features

  • Lightweight and affordable way to trigger one to 15 Speedlite 600EX-RT units forradio-based Wireless E-TTL
  • Compatible for E-TTL automatic wireless flash with nearly all EOS Digital SLRs*,with all units firing at even power, or choice of A:B or A:B C flash ratios between groups of speedlites
  • E-TTL, Manual flash, or Multi-mode manual flash possible with nearly all EOS Digital SLRs*
    * Original EOS-1D and EOS-1Ds are not compatible with Canon’s radio-based wireless flash for automatic E-TTL exposure; Manual or Multi-mode flash only
  • Revolutionary new “Group” mode with EOS 5D Mark III and EOS-1D X bodies independent control of up to five groups of off-camera Speedlite 600EX-RT units
  • Original EOS-1D and EOS-1Ds are not compatible with Canon’s radio-based wirelessflash for automatic E-TTL exposure; Manual or Multi-mode flash only.

Overview

Canon is also introducing the new Speedlite Transmitter ST-E3-RT. Providing full support of Canon’s new radio-based wireless flash technology, the new ST-E3-RT can control up to five groups of flashes, up to 98.4 feet (30m) from the camera. The remote shutter release capability enables photographers to either fire a single camera remotely (by pressing a button on the ST-E3-RT), or to fire up to 15 EOS cameras with Canon’s Linked Shooting feature. Making it easy to control and adjust, all of the Speedlite Transmitter features are accessible through the Flash control menu of the EOS-1D X and EOS 5D Mark III cameras.

Product Images

 

Canon ST-E3-RT Speedlite Transmitter Specifications

Type Radio transmissions wireless Speedlite transmitter
Transmission Range Approx. 98.4 ft. (30m)
Flash Control Ratio control: 1:8 – 1:1 – 8:1, power 1/2-stop increments
Coverage Flash coverage: Transmission Angle: 360° all around
Power Source 2x AA/LRG Alkaline Batteries (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 73°F/+23°C).
Dimensions 2.65 x 2.42 x 3.05″ (67.4 x 61.5 x 77.4 mm)
Weight 3.9 oz (110 g) excluding battery

 

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