50
Adjusting the brightness
You can adjust the brightness by
controlling the amount of light, etc., using
iris, ISO sensitivity/gain, shutter speed, or
ND filter.
b
Note
• When you set the FULL AUTO button on (lit),
the iris, ISO sensitivity/gain, shutter speed, and
white balance are adjusted automatically. You
cannot adjust them manually.
1
Press the FULL AUTO button
A
to set full auto mode off.
2
Press the IRIS button
E
.
next to the iris value disappears.
3
Set the ND/IRIS switch
B
to the
“IRIS” position.
4
Turn the ND/IRIS dial
C
to adjust
the value.
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
Press and hold the IRIS PUSH AUTO
button
D
.
The iris is adjusted automatically for as
long as you hold the button down.
To adjust automatically
Press the IRIS button
E
.
appears next to the iris value.
z
Tips
• Can be operated using Direct Menu (p. 61).
• You can assign this function to the ASSIGN dial
• 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,
Adjusting the iris
Iris value