External Speedlites

EOS-dedicated, EX-series Speedlites

Basically operates like a built-in flash for easy operation. When an EX-series Speedlite (sold separately) is attached to the camera, almost all the autoflash control is done by the camera. In other words, it is like a high-output flash attached externally in place of the built-in flash.

For detailed instructions, see the EX-series Speedlites instruction manual. This camera is a Type-A camera that can use all the features of EX-series Speedlites.

Shoe-mount Speedlites

Macro Lites

With an EX-series Speedlite not compatible with flash function settings (p.147), only [Flash exp. comp] and [E-TTL II meter.] can be set for [External flash func. setting]. (Certain EX-series Speedlites also enable [Shutter sync.] to be set.)

If flash exposure compensation is set with the external Speedlite, the flash exposure compensation icon displayed on the camera’s LCD monitor will change from yto .

If the flash metering mode is set to TTL autoflash with the Speedlite’s Custom Function, the flash will fire at full output only.

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Canon 550D instruction manual External Speedlites, EOS-dedicated, EX-series Speedlites, 206