31
R
e
co
rd
in
g
/Pl
ay
bac
k
Adjusting manually
Set the AUTO/MANUAL switch to
MANUAL when you adjust the iris, gain,
shutter speed, and white balance manually.
This is handy for making the background
blurred or sharp.
1
Set the AUTO/MANUAL switch
H
to MANUAL.
2
Press the IRIS button
A
.
next to the iris value disappears.
3
Adjust the iris with the iris ring
B
.
The volume of the light increases the
more that you open the aperture
(decreasing F value). The volume of the
light decreases the more that you close
the aperture (increasing F value).
To temporarily adjust the iris
automatically
Hold the IRIS PUSH AUTO button
C
down.
The iris is adjusted automatically for as
long as you hold the button down
To adjust the iris automatically
Press the IRIS button
A
.
appears next to the iris value.
b
Notes
• You can make this adjustment only with an E-
mount lens.
• When you use A-mount lenses (sold separately),
you must adjust the iris manually, using the iris
ring
B
.
• When you set the AUTO/MANUAL switch
H
to AUTO, iris, gain, shutter speed, and white
balance are adjusted automatically. You cannot
adjust any of them manually.
z
Tips
• The range of focus, an important effect of the
aperture, is called the depth of field. The depth
of field gets shallower as the aperture is opened,
and deeper as the aperture is closed. Use the
aperture creatively to obtain the desired effect in
your photography.
You can adjust the gain manually when you
do not want to use the AGC (automatic gain
control).
1
Set the AUTO/MANUAL switch
H
to MANUAL.
Adjusting the iris
Adjusting the gain
Continued
,
Содержание FS100EK
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