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Canon Camera Speedlite transmitter ST-E2

  • Camera Speedlite transmitter ST-E2

Dedicated clip-on transmitter for E-TTL/E-TTL II wireless flash system.

E-TTL Compatible
Built-in AF-Assist Beam
Sets and Controls Flash Rations
High-Speed FP Flash
E-TTL Wireless Autoflash Control


  • Battery & chargers
    2CR5 lithium battery x 1
    External battery : no


  • Flash system
    Type 550EX-dedicated, clip-on Speedlite transmitter with direct contacts
    Compatible Cameras Type A EOS cameras (E- TTL, autoflash); Type B EOS cameras (Manual flash)
    Sync Speed High-Speed Sync (FP flash): Enabled with high-speed sync mode
    Flash Exposure Confirmation 1. Before flash fires during FE lock Adequate flash exposure indicated by the flash exposure level icon lit in the viewfinder. Insufficient flash exposure indicated by the flash exposure level icon blinking in the viewfinder.
    2. After flash fires ST-E2's flash confirmation lamp lights in green for 3 sec.
    AF Assist Beam Compatible with EOS-3's 45-point Area AF and 28mm and longer lens focal lengths
    Effective Range: Approx. 0.6 to 10m/2.0 to 16.5 ft along the periphery (in total darkness).
    Wireless Functions
    Transmission System Infrared pulse
    Transmission Range Indoors: Approx. 12-15 m/39.4 - 49.2 ft; Outdoors: Approx. 8-10 m/ 26.2-32.8 ft
    Flash Ratio Control For A:B ratio: 1:8 to 8:1, in half- step increments or 13 steps
    Flash Coverage Transmission Coverage: +/-40 degrees horizontal and +/-30 degrees vertical
    Slave Operation Confirmation With test transmission button.
    *Slave A fires followed by slave B at 1/64 output.
    Slave Unit SE Mode Cancellation Cancels when the test transmission button or FE lock botton is pressed to turn on the slave unit.

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