Canon Speedlite EL-100 - Manual (Page 24)

24
FEL: FE Lock
The FE (Flash Exposure) lock locks the correct flash exposure setting
for any part of the subject.
1
Focus on the subject.
2
Lock the flash exposure.
z
Set the flash mode to [E-TTL II flash metering] (p.18).
z
Center the subject in the viewfinder or on the screen, and then
press the camera’s FE Lock button.
The position of the FE Lock button varies by camera. For details,
refer to the camera’s Instruction Manual.
g
The Speedlite fires a preflash, and the flash exposure is locked.
g
“ FEL ” is displayed in the viewfinder or on the screen for about
half a second.
A metering circle (and <
d
>, on some models) is displayed in
the center of the screen on EOS M and EOS R cameras.
z
Each time you press the FE Lock button, the Speedlite fires
a preflash and stores the flash output required at that time in
memory.
o If suitable exposure cannot be obtained with the FE lock, < Q > blinks in
the viewfinder or on the screen. Approach the subject, increase the ISO
speed, or open the aperture before you lock the flash exposure again.
o
FE lock may not be effective if the subject is too small in the viewfinder
or on the screen.
On some cameras, each press of the FE Lock button switches between
firing a preflash and unlocking flash exposure.