Flash Photography with Speedlite 550EX

FE Lock

FE (flash exposure) lock obtains and locks the correct flash exposure reading for any part of the scene.

1 Check that the Speedlite’s pilot lamp is lit.

• The flash mode can be either normal or high-speed sync. FE lock works with either mode.

2

Focus the subject.

• Focus at the point where you want to

lock the flash exposure.

 

Aim the spot metering circle over

 

the part where you want to lock

3the flash exposure, then press the

 

< > button ( 16 ).

 

The Speedlite fires a preflash and

 

stores the required flash output in

 

memory.

 

In the viewfinder, the focusing point

Spot metering circle

achieving FE lock flashes in red.

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Image 87
Canon EOS-1V HS manual FE Lock, Check that the Speedlite’s pilot lamp is lit, Aim the spot metering circle over