User's Manual
Manuals
Brands
Canon Manuals
Camera Accessories
Canon Speedlite 90EX Flash Speedlite 90EX
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22
Y
ou can use two slave units together and perform E-TTL II autoflash shooting while
changing the flash ratio.
This is described using two slave units.
Flash Ratio with E-TTL II
A
B
C
OP
Y
1
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