Canon Speedlite Transmitter ST-E3-RT - With USA Warranty

Priced: $287.00
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Canon Speedlite Transmitter ST-E3-RT - With USA Warranty -

Canon Speedlite Transmitter ST-E3-RT is compact in size but with strong capabilities which make it almost a must-have for Speedlite 600EX-RT owners.
With the same radio-based wireless transmission abilities as a "master" 600EX-RT unit, it frees a Speedlite up for use off-camera, and can control up to fifteen flashes up to 98.4 feet (30m) off-camera and that's over a full 360° range. The Canon ST-E3-RT has thes ame advanced LCD panel and control as the 600EX-RT, and is powered by two AA-size batteries. Unlike the Speedlite Transmitter ST-E2, the ST-E3-RT is not compatible with the existing optical-type wireless flash system, and it does not have a built-in AF-assist beam.
The Canon ST-E3-RT is commonly used for Family photos, Portraits, Studio, Travel, Weddings and more.The Canon ST-E3-RT is popular because customers like the following qualities of the Canon ST-E3-RT: Durable, Easy to use, Lightweight, Packs small / compresses and Reliable.


  • 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
  • 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
  • Lightweight and affordable way to trigger one to 15 Speedlite 600EX-RT units forradio-based Wireless E-TTL
  • 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
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AF Assist Beam:N/A
Battery Life:Battery Life: Approx. 10 hours continuously *When using AA/LR6 alkaline batteries used (At a room temperature +23°C/73°F).
Compatible Cameras:Type A EOS cameras (E-TTL II/E-TTL autoflash)
Dimensions (WxHxD):2.7 x 2.4 x 3.1" (67.4 x 61.5 x 77.4mm)
Flash Coverage:Transmission Angle: 360° all around
Flash Exposure Confirmation:Flash exposure confirmation lamp lights in green If it does not light, shooting is not performed with the standard exposure
Flash Ratio Control:1:8 - 1:1 - 8:1, power 1/2-stop increments
Power Source:AA/LRG Alkaline Batteries x2 (Ni-MH and Lithium batteries can also be used)
SE Mode:Power off after 5 min. of idle operation
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.
Sync Speed:High-Speed Sync provided (EOS-1D X and EOS 5D Mark III only)
Transmission Range:Approx. 98.4 ft. (30m)
Transmission System:Radio Transmission
Type:Radio transmissions wireless Speedlite transmitter
Weight:3.9 oz (110g)

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