Canon Macro Twin Lite MT-26EX-RT Guía De Funcionamiento Básico página 59

FEL: FE Lock N
The FE (Flash Exposure) lock locks the correct flash exposure setting
for any part of the subject.
With <a> displayed on the LCD panel, press the camera's <B>
button. For cameras without a <B> button, press the <A> (AE lock)
or <7> button.
If a correct exposure cannot be obtained when FE lock is performed,
<Q> blinks in the viewfinder. Move closer to the subject or open the
aperture, and perform FE lock again. You can also set a higher ISO
speed and perform FE lock again when using a digital camera.
If the target subject is too small in the viewfinder, FE lock may not be
effective.
When you press the <A> button of an EOS M series camera, a circle
indicating the flash metering range will be displayed at the center of the
screen. (<d> will also be displayed depending on the camera model.)
Focus on the subject.
1
Press the <B> button.
2
With the subject at the center of the
viewfinder, press the camera's
<B> button.
The MT-26EX-RT will fire a preflash,
and the required flash output for the
subject is retained in memory.
"FEL" will be displayed in the
viewfinder for approx. 0.5 sec.
Each time you press the <B>
button, a preflash will be fired and the
new flash output required at that time
is retained in memory.
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