Using E-Ttl & Ttl In Shooting Modes; Flash Sync Speeds And Apertures Used; Flash Exposure Bracketing (Feb) - Opteka IF-980 Instruction Manual

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Using
E-TTL & i-TTL in Shooting
Modes
Iusi
set
the
camera's
shooting rtoclc to
<AY/A>(aperture priority AE),
<TY/S>(shutter priorit,v) or
<l'I> (manual)
and vou can
use
F.
T1
L/i'TTi-
autoflash
If
you
use
the
.<DEP>
or <A-DEP>
shooting mode, the result
will
be the
sarne as
using
<P>(Progrirm)
mode.
Flash
Sync Speeds and
Apertures
Used
l/X
sec.
is the camera's
rnaximum
flash
sync speed.
Wtt
Flash Exposure Bracketing (FEB)
Push the Up/Dorvn
keys
to
set
your
desi red exposure brackcting value
'l1le FEB has
a
range of
0-3.0
TV
Select
this mode when you want
to
set
the shutter speed
manually.
The camera
will
then automatically
set
aperture matching the
shutter speed
to obtain
a
standard
exposure.
Ifthe
aperture display
blinks,
it
means
that
the
background
exposure
will
be
under
or
overexposed.Adjust the shutter
speed
until
the aperture display
stops
blinking.
AV
Select this mode when you want
to
set
the aperture manually.
The camera
will
then automatically set the
shutter
speed
to match.
If
the background is dark
like
a
night
scene, a slower
shutter
speed
wiil
be used to obtain
a
standard exposure
ofboth the
subject
and
background.
Standard exposure
of
the
main
subject is
obtained
with
the flash,
while
a
standard
exposure
ofthe
background is obtained
with
a slow
shutter speed. Since
a
slow shutter speed
is
being used
for
lowJight
scenes,
using
a
tripod
is
recommended. If the shutter
speed
display blinks,
it
means
that
the
background
exposure
will be
over or under exposed.
Adjust the
aperture
value until the shutter
speed
display
stops
blinking.
NT
Select
this
mode
when you want to
set
both the shutter speed and
aperture manually.
Standard exposure
ofthe main subject
is
obtained
with
the flash. The exposure
ofthe background is obtained
with
the
shutter
speed and
aperture combination you
set.
Shutter
Speed Setting
Aperture Setting
P
Set
automatically (1/60
sec.-1lX
sec.)
Automatic
TV/S
Set
manually (30 sec.-llX
sec.)
Automatic
AV/r\
Set
automatically (30 sec.-llX
sec.) M
anuai
M
Set
manually (bulb,
30sec.-tlX
sec.) Manual
r@@@Fr
,mr-
|
You can take
up to
three shots
utile
autorratically changlng
the output for
etrch
\h()l ilp
lo:
I
sl,rp. in
I
.lrrl
'lilp
iil.rcrncrrt..
(I/2
stop
increnents if
tlre c:rmera
oniy
supports 1/2 slop incrernents).
'lhis
is l<nown
:rs F'EB
or Flash Exposure Bracketing.
To
set
IrEIl,
set
the camera's drive mode to
single
shot
arncl
ensure
that
the
flash
is ready to fire before shooting.
FEB
icon
12
11