Canon EOS 50E - Manual (Page 84)

VII. E-TTL Auto Flash System with Canon Speediite 380EX
High-Speed Sync (FP Flash)
With Speedlite 380EX’s high-speed sync switch set to
,
high-speed
sync (focal-plane flash) is set automatically when the shutter speed set is
faster than 1/125 sec. Speedlite 380EX can then synchronize with all
shutter speeds. When high-speed sync is in effect, “H” is displayed on the
right of
"•
in the viewfinder.
High-speed sync is effective when you want to use fill-in flash on the
subject and maintain background blur with a iarge aperture. Or, when you
want to produce a catchiight in the subject’s eyes in daylight.
• When high-speed sync is used, the Speedlite’s Guide No decreases If the ambient light is
insufficient, using high-speed sync may result in underexposure
■ High-speed sync can be used only in Creative Zone modes. The normal sync speed is used
in Programmed Image Control modes
FE Lock
FE iock obtains and locks the correct flash exposure for the selected
portion of the scene.
When Speedlite 380EX is used with the camera in a Creative Zone mode,
the camera’s AE lock button functions as an FE (Flash Exposure) lock
button.
1
2
Set the camera to a Creative Zone
mode (P, Tv, Av, M, or DEP).
Check that the 380EX’s FP flash
switch is set to the green dot
(normal sync speed).
Focus the subject where you want
to obtain correct flash exposure.
(Keep pressing the shutter button
halfway even after focus is
achieved.)
Aim the center focusing point
where you want to obtain the
correct flash exposure. Then press
the FE lock button.
• The center focusing point flashes in red.
84