Flash Ratio with E-TTL II

With one master unit and one slave unit or two slave groups, you can set the flash ratio for E-TTL II autoflash shooting.

The example below has two slave units and the master unit disabled from firing.

 

15m (49.2ft.)

 

 

10m (32.8ft.)

 

 

Indoors A

 

B

12m (39.4ft.)

 

 

 

Outdoors

80o

8m (26.2ft.)

Setting the Slave Units

Two slave units can be assigned to different slave groups by setting the slave ID.

1Set the wireless mode to <x>. (p.36)

2 Press the <G> button so that <1> blinks.

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