a: Fully Automatic Wireless Flash Shooting

Autoflash Shooting Using Multiple Slave Units

When you need more flash output or you want to perform lighting more easily, you can increase the number of slave units and fire them as a single flash.

To add slave units, use the same procedure as “Autoflash Shooting Using One Slave Unit”. Any firing group (A/B/C) can be set.

When the number of slave units is increased or master flash firing set to ON, automatic control is performed to fire all flashes at the same flash output and ensure that the total flash output results in the standard exposure.

If there is a fluorescent light or PC monitor near a slave unit, the presence of the light source may cause the slave unit to malfunction, causing it to fire inadvertently.

The master/slave flash coverage is set automatically to 24 mm. You can also set the flash coverage manually.

You can press the depth-of-field preview button on the camera to fire the modeling flash (p.38).

If the slave unit’s auto power off takes effect, press the master unit’s test flash button to turn on the slave unit. Note that the test flash cannot be fired while the camera’s metering timer is operating.

The autoflash system (E-TTL II/E-TTL) depends on the camera used and is set automatically. Note that <a> is displayed on the LCD panel for both systems.

You can change the time until the slave unit’s auto power off takes effect (C.Fn-10/p.98).

You can set it up so that the AF-assistant beam emitter will not blink when the slave unit recycling is completed (C.Fn-23/p.100).

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