Sony DT 11-18mm f/4.5-5.6 Lens - Manual (Page 42)

3. Shooting 42
Adjusting the Brightness
B
C
D
E
F
H
I
A
You can adjust the brightness by adjusting the
iris, gain, shutter speed, and by adjusting the
light level using ND filters. You can also make
adjustments automatically.
The target level for automatic brightness
adjustment is set using Auto Exposure
(page 73) >Level in the Shooting menu
of the full menu. You can also assign Auto
Exposure Level to an assignable button or
assignable dial (page 48).
[Note]
The gain cannot be adjusted in Cine EI mode. The
base sensitivity is fixed. Also, the brightness cannot
be adjusted automatically using the shutter speed.
Brightness auto adjustment using the iris and ND filter
is supported.
Selecting the Base Sensitivity
You can select from two types of base
sensitivity on the camcorder.
In Custom mode, you can set the base
sensitivity to High or Low using Base ISO/
Sensitivity on the Main Status screen
(page 13) or the Camera Status screen
(page 14), or ISO/Gain/EI >Base Sensitivity
(page 72) in the Shooting menu of the full
menu.
In Cine EI mode, you can set the base ISO
to ISO 12800 or ISO 800 using Base ISO/
Sensitivity on the Main Status screen
(page 13) or the Camera Status screen
(page 14), or ISO/Gain/EI >Base ISO
(page 72) in the Shooting menu of the full
menu.
Selecting Low or ISO 800 in normal lighting
conditions and selecting High or ISO 12800 in
low lighting conditions is recommended.
* Can also be configured on the status screen.
[Tip]
You can also assign Base ISO/Sensitivity to an
assignable button (page 48).
Adjusting the Iris
You can adjust the iris to adjust the brightness.
Adjusting the iris automatically
This function adjusts the brightness according
to the subject. A lens that supports auto iris is
required.
1
If a lens with Auto Iris switch is attached,
set the switch to AUTO.
2
Press and hold the IRIS function button (E)
to display the direct menu (page 48),
and select Auto.
[Tip]
You can also assign Auto Iris to an assignable
button (page 48).
[Note]
The iris cannot be adjusted automatically on an
A-mount lens.
Adjusting the iris manually
1
Press and hold the IRIS function button (E)
to display the direct menu (page 48),
and select Manual.
2
Press the IRIS function button (E) so that
the iris value is displayed on a white
background.
3
Turn the multi-function dial to adjust the
value.
[Tips]
ˎ ˎ You can also operate the multi-function dial as
an IRIS dial (page 48) by assigning the IRIS
function to the multi-function dial.
ˎ ˎ You can also assign the IRIS function to an
assignable dial (page 48).
Temporarily adjusting automatically
Press the assignable button (page 48)
assigned with the Push Auto Iris function to
automatically adjust the iris temporarily while
the button is pressed.
The iris returns to the previous setting when
you release the button.
[Note]
When the Auto Iris switch of the lens is set to MANUAL,
the Auto Iris and Push Auto Iris functions on the
camcorder have no effect. Manual iris adjustments on
the camcorder also have no effect.
Adjusting the Gain
In Custom mode, you can adjust the gain to
adjust the brightness.
Adjusting the gain automatically
Press and hold the ISO/GAIN function button
(H) to display the direct menu (page 48),
and select Auto.
[Tips]
ˎ ˎ You can also perform the same action by setting Auto
Exposure (page 73) >AGC in the Shooting menu
to On.
ˎ ˎ You can also assign AGC to an assignable button
(page 48).
Adjusting the gain manually
You can control the gain when you want to
adjust the exposure while using a fixed iris
setting or when you want to prevent the gain
increasing due to AGC.
1
Press and hold the ISO/GAIN function
button (H) to display the direct menu
(page 48), and select Manual.
2
Set the ISO/GAIN switch (I) to H, M, or L.
[Tips]
ˎ ˎ You can also assign Push AGC to an assignable
button, and set AGC to On temporarily by pressing
and holding the button.
ˎ ˎ You can change the preset value of each switch
position using ISO / Gain// (page 14)
on the Camera Status screen or ISO/Gain/EI >ISO/
Gain// (page 72) in the Shooting menu
of the full menu.