Canon Speedlite 420EX Instruction Manual - Page 23

Canon Speedlite 420EX Manual

Page 23 highlights

Flash in Other Picture-Taking Modes Tv : Autoflash and Shutter Speed-Priority AE When you want to use the shutter speed to create a certain effect, set the camera to shutter speed-priority AE. In this mode, you set the shutter speed anywhere from 30 sec. to the camera's fastest sync speed. The camera then sets the aperture automatically to obtain the correct background exposure. E-TTL autoflash controls the flash output based on the set aperture. Set the camera's Command Dial to . • Set the high-speed sync switch to . '4 125 LLD -2O1 O,v. Set the desired shutter speed. • Turn the camera's electronic dial to set the shutter speed. • Set the shutter speed anywhere from 30 sec. to the camera's fastest sync speed. Take the picture. • Focus the subject, check that the icon is lit in the viewfinder, then take the picture. UU If the minimum aperture setting blinks, the background will be overexposed. If the maximum aperture setting blinks, the background will be underexposed. Change the shutter speed until the aperture setting stops blinking. 23

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Flash
in
Other
Picture
-Taking
Modes
Tv
:
Autoflash
and
Shutter
Speed
-Priority
AE
When
you
want
to
use
the
shutter
speed
to
create
a
certain
effect,
set
the
camera
to
shutter
speed
-priority
AE.
In
this
mode,
you
set
the
shutter
speed
anywhere
from
30
sec.
to
the
camera's
fastest
sync
speed.
The
camera
then
sets
the
aperture
automatically
to
obtain
the
correct
background
exposure.
E-TTL
autoflash
controls
the
flash
output
based
on
the
set
aperture.
Set
the
camera's
Command
Dial
to
<Tv>.
Set
the
high-speed
sync
switch
to
<•>.
'4
125
L
LD
-2O
1
O,v.
Set
the
desired
shutter
speed.
Turn
the
camera's
electronic
dial
to
set
the
shutter
speed.
Set
the
shutter
speed
anywhere
from
30
sec.
to
the
camera's
fastest
sync
speed.
Take
the
picture.
Focus
the
subject,
check
that
the
<>
icon
is
lit
in
the
viewfinder,
then
take
the
picture.
UU
If
the
minimum
aperture
setting
blinks,
the
background
will
be
overexposed.
If
the
maximum
aperture
setting
blinks,
the
background
will
be
underexposed.
Change
the
shutter
speed
until
the
aperture
setting
stops
blinking.
23