Canon ST-E2 Speedlite Transmitter

 

 

Product Features

  • The Canon Speedlite Transmitter ST-E2 is compatible with Type A EOS cameras (E-TTL, auto flash) and Type B EOS cameras (manual flash). The ST-E2 is designed to control slaved Canon 550 EX flashes, enabling simultaneous flash use in professional settings. The wireless controller has a flash ratio control, allowing for several different A:B ratios, 1:8 to 8:1 in half-step increments, as well as slave confirmation via a test transmission button, which sets off slave A, followed by slave B, at 1/64 output.

Technical Details

  • Wireless flash controller for the Canon 420EX and 550EX and other Canon flashes.
  • Indoor transmission range of approximately 40 to 50 feet
  • Outdoor transmission range of approximately 26 to 33 feet
  • 1,500-transmission battery life
  • Turns off after 90-second idle