Flash Photography with Speedlite 550EX

FE Lock

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

Spot metering circle

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 with AF or manual focus.

3 Aim the spot metering circle over the part where you want to lock the flash exposure, then press the

< > button. (16 sec.)

The Speedlite fires a preflash and calculates the required flash output which is then stored in memory.

In the viewfinder, the focusing point linked to the FE lock flashes in red.

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Image 95
Canon EOS-3 manual FE Lock, Check that the Speedlite’s pilot lamp is lit