Setting Auto Iris - Sony PXW-X500 Manual

Setting Auto Iris

The reference value for automatic iris adjustment
can be changed to aid the shooting of clear
pictures of back-lit subjects, or to prevent blown-
out highlights.
To set the auto iris operating mode
Set the operating mode used when adjusting
levels using auto iris.
1
Select Operation >Auto Iris >Mode in
the setup menu.
2
Turn the MENU knob to select the
operating mode, then press the knob.
Operating mode
Backlight
Standard
Spotlight
Set the target convergence level for auto
iris
1
Select Operation >Auto Iris >Level in
the setup menu.
2
Turn the MENU knob to select the level
in the range –99 to +99, then press the
knob.
Convergence level Description
–99
±0
+99
Description
Mode for shooting in
backlight conditions
Standard mode
Mode for reducing
blown out highlights
when there are spotlights
centered on a subject.
Sets the iris 2 f-stops or
more darker
Reference level
Sets the iris 2 f-stops or
more lighter
Setting the auto iris speed
Set the operating speed when adjusting levels
using auto iris.
1
Select Operation >Auto Iris >Speed in
the setup menu.
2
Turn the MENU knob to select the
speed in the range –99 (slowest) to +99
(fastest), then press the knob.
To change the reference value of the lens
iris
The reference value for the lens iris can be set
within the following range with respect to the
standard value.
• +0.25 to +1 (increments of 0.25): About 0.25 to
1 stop further open
• –0.25 to –1 (increments of 0.25): About 0.25 to
1 stop further closed
Also you can set the area where light detection
occurs.
1
Set Operation >Auto Iris >Iris Override
in the setup menu to On.
2
Set the MENU ON/OFF switch to OFF.
3
Turn the MENU knob to change the
reference value.
Note
Be sure to confirm that the current shutter mode is
not ECS.
The current reference value is shown by the
iris position indicator (see page 24) on the
viewfinder screen.
To make the iris more open
Turn the MENU knob counterclockwise as
seen from the front of the camcorder.
Select one of +0.25, +0.5, +0.75, or +1.
To stop down the iris
Turn the MENU knob clockwise as seen
from the front of the camcorder.
Select one of –0.25, –0.5, –0.75, or –1.
The changed reference value is retained until
the power of the camcorder is turned off.
Even if the reference value is changed, it
55