Applications

Even with a wireless multi-flash system, you can use high-speed sync (FP flash), FE lock, and flash exposure compensation in the same way as with a camera-attached 550EX. Wireless high-speed sync (FP Wireless FE lock flash) After setting the wireless single-or multi-flash setup, just set the ST-E2's high-speed sync button to < > . This enables wireless highspeed sync. The slaves need not be touched at all. After setting the wireless single-or multi-flash setup, just press the camera's <...

Setting the Slave ID

With the wireless control of multiple slaves, you can set the flash ratio and specify the main flash and fill flash by assigning a slave ID. There are three IDs A, B, and C. The ST-E2 can control slaves A and B. When the flash ratio control lamp is lit, the C slave does not fire. Set the slave ID to A for the slave on the left of the camera, and to B for the slave on the right of the camera. 4k If the slave's ID is set to C, it cannot be controlled by the ST-E2. Be sure to set the slave ID to A...

Slave settingPower on Channel setting

Speedlite 550ex Zoom

To prevent wireless signals from being transmitted to unrelated Speedlite 550EX units in the vicinity, you can set a channel different from the one used by the unrelated Speedlite 550EX units. One of four channels can be set. The ST-E2 master and slave Speedlite s must be set to the same channel No. Pre ss the lt CH. gt button and select the desired channel. Each time the button is pressed the channel indicator changes in the following loop l- 2- 3- 4- l The ST-E2 and Speedlite 550EX must be...

Positioning of STE and slave

Canon Speed Light Transmiter

Attach the slave to the mini stand equipped with tripod socket which comes with the 550EX. Turn the Speedlite's body bounce feature so that the slave sensor faces toward the ST-E2. Indoors, the slave position need not be so precise since the light will also bounce After positioning the camera and slaves, be sure to test the wireless control After positioning the camera and slaves, be sure to test the wireless control Basic Wireless E-TTL Autoflash Operation