Shooting
39
Iris adjustments
1 If the camera is in auto mode, use the AUTO/
MANUAL switch to switch to manual mode.
(Page 38)
2 Press the IRIS button to switch how to
adjust the aperture of lens.
AUTO IRIS: Adjust the iris automatically.
MANUAL IRIS: Adjust the iris manually.
3 Turn the IRIS dial to adjust the aperture of
lens when in the manual iris mode.
In the auto iris mode, the lens iris can be
corrected using this dial.
Set the direction of the IRIS DIAL and aperture
control in the setup menus, SW MODE screen,
IRIS DIAL. (Page 104)
If you have set ON under A.IRIS on the setting
menu AUTO SW screen, auto iris will be forcibly
selected when auto mode has been established.
(Page 106)
This unit’s iris F number when it is open is F1.6 at
full WIDE and F2.8 at full TELEPHOTO.
The iris display in the viewfinder or on the LCD
when the iris is open is OPEN at full WIDE and
F2.8 or OPEN at full TELEPHOTO.
IRIS dial
ND FILTER switch
IRIS button
GAIN switch
Adjusting the gain
When the display is dark, increase the gain to
brighten the display.
1 If the camera is in auto mode, use the
AUTO/MANUAL switch to switch to manual
mode (
goes out). (Page 38)
2 Switch the gain with the GAIN switch.
L: Set here under normal conditions. (0 dB)
M: Increase the gain of the image amplifier.
(The default value is 6 dB.)
H: Increase the gain of the image amplifier.
(The default value is 12 dB.)
You can change the M and H gain values using the
MID GAIN and HIGH GAIN items on the setting
menu SW MODE screen. (Page 104)
If ON is set for the setting menu AUTO SW and
you have selected a setting other than OFF under
AGC, auto gain will be provided when auto mode
has been established regardless of the GAIN
switch position. (Page 106)
When the recording frame rate is less than 22 fps
and when a slow shutter speed (1/15) has been
set, the gain is fixed at 0 dB regardless of the GAIN
switch setting. (Pages 34 and 51)
Light intensity adjustments
Use the ND FILTER Switch to change the ND Filter
used (filter to change light intensity).
OFF: ND filter is not used.
1/8: Cuts light intensity by up to about 1/8.
1/64: Cuts light intensity by up to about 1/64.