Sony CCD-VX3 Operation Manual - Page 47

ftrA4tsti, Notes

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•i '14 ftrA4tsti tlre E Use the following graph to select the setting. Aperture (F) 1.6 2 2.4 2.6 3.4 4.11 6.6 6.6 '.2-Case A 2 -Case B +1EV (2 steps) 0(3da5t. 2 -Case B Vertical axis: Aperture value in 0.5EV/step Horizontal axis: Shutter speed in 0.5EV/step Diagonal axis: Gain level in 0.5EV/step 9.6 N-ff i2-Case Ai Shutter speed 90 125 180 250 aso MI f I1T 725 tI 2000 4000 10000 1500 3000 woo (used) ti se B I -3EV (6 steps) -4EV (8 steps) Reference values Aperture value: Fl1 Shutter speed: 1/60 Gain level: 0 dB epoyl ienueinj Bupn Example: Change the aperture value to F4 without changing the exposure ® Press IRIS and use the CONTROL dial to set the aperture value to F4. When the aperture is changed from F11 to F4 (reducing the F value 6 steps), the exposure becomes +3 EV brighter. To maintain total exposure at 0 EV by the combination of aperture, shutter speed, and gain, the EV from the shutter speed and gain control should be changed to get -3 EV. 0 Case A: To change only the shutter speed To reduce the exposure by -3 EV using the shutter speed, you should increase the speed 6 steps. The following calculation shows that you need to change the speed from 1/60 to 1/500. 0 EV = EV variation from Aperture control + 3 EV F11 to F4 EV variation from shutter speed control - 3 EV 1/60 to 1/500 Press SHUTTER SPEED twice and turn the CONTROL dial to set the shutter speed to 1/500. Case B: To set the shutter speed to 1/1000 and change the gain level When the shutter speed is changed from 1/60 to 1/1000, the EV from the shutter speed control changes to -4 EV. To maintain total exposure at 0 EV, +1EV (2 steps) should be added by increasing the gain level. The following calculation shows that you need to change the shutter speed from 1/60 to 1/1000 and the gain from 0 dB to +6 dB. 0 EV = EV from aperture control + 3 EV F11 to F4 EV from shutter speed control - 4 EV 1/60 to 1/1000 EV from gain control + 1 EV 0dBto+ 6 dB Press SHUTTER SPEED three times to set the shutter speed to 1/1000, and press GAIN and turn the CONTROL dial to set the gain level to +6 dB. Notes • When recording outdoors, the brightness of a subject may be affected by weather. • When recording conditions change, we recommend that you reset each item. • If you change the setting of the ND FILTER switch, the exposure changes. 47

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•i
'14
ftrA4tsti
E
Use
the
following
graph
to
select
the
setting.
Aperture
(F)
1.6
2
2.4
2.6
3.4
4.11
6.6
6.6
9.6
N—ff
i2
-Case
Ai
90
125
180
250
ti
se
B
I
-3EV
(6
steps)
-4EV
(8
steps)
'.2
-Case
A
03at
.
(
d5
MI
1
2000
4000
10000
IT
aso
f
725
I
t
1500
3000
woo
t
lre
2
-Case
B
+1EV
(2
steps)
2
-Case
B
Shutter
speed
(used)
Vertical
axis:
Aperture
value
in
0.5EV/step
Horizontal
axis:
Shutter
speed
in
0.5EV/step
Diagonal
axis:
Gain
level
in
0.5EV/step
Reference
values
Aperture
value:
Fl
1
Shutter
speed:
1/60
Gain
level:
0
dB
Example:
Change
the
aperture
value
to
F4
without
changing
the
exposure
®
Press
IRIS
and
use
the
CONTROL
dial
to
set
the
aperture
value
to
F4.
When
the
aperture
is
changed
from
F11
to
F4
(reducing
the
F
value
6
steps),
the
exposure
becomes
+3
EV
brighter.
To
maintain
total
exposure
at
0
EV
by
the
combination
of
aperture,
shutter
speed,
and
gain,
the
EV
from
the
shutter
speed
and
gain
control
should
be
changed
to
get
-3
EV.
0
Case
A:
To
change
only
the
shutter
speed
To
reduce
the
exposure
by
—3
EV
using
the
shutter
speed,
you
should
increase
the
speed
6
steps.
The
following
calculation
shows
that
you
need
to
change
the
speed
from
1/60
to
1/500.
0
EV
=
EV
variation
from
Aperture
control
+
3
EV
F11
to
F4
EV
variation
from
shutter
speed
control
—
3
EV
1/60
to
1/500
Press
SHUTTER
SPEED
twice
and
turn
the
CONTROL
dial
to
set
the
shutter
speed
to
1/500.
Case
B:
To
set
the
shutter
speed
to
1/1000
and
change
the
gain
level
When
the
shutter
speed
is
changed
from
1/60
to
1/1000,
the
EV
from
the
shutter
speed
control
changes
to
—4
EV.
To
maintain
total
exposure
at
0
EV,
+1EV
(2
steps)
should
be
added
by
increasing
the
gain
level.
The
following
calculation
shows
that
you
need
to
change
the
shutter
speed
from
1/60
to
1/1000
and
the
gain
from
0
dB
to
+6
dB.
0
EV
=
EV
from
aperture
control
EV
from
shutter
speed
control
EV
from
gain
control
+
3
EV
—
4
EV
+
1
EV
F11
to
F4
1/60
to
1/1000
0dBto+
6
dB
Press
SHUTTER
SPEED
three
times
to
set
the
shutter
speed
to
1/1000,
and
press
GAIN
and
turn
the
CONTROL
dial
to
set
the
gain
level
to
+6
dB.
Notes
•
When
recording
outdoors,
the
brightness
of
a
subject
may
be
affected
by
weather.
•
When
recording
conditions
change,
we
recommend
that
you
reset
each
item.
•
If
you
change
the
setting
of
the
ND
FILTER
switch,
the
exposure
changes.
epoyl
ienueinj
Bupn
47