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Chapter 4 Adjustments and Settings for Recording 4-19
4
4-3 Changing the Reference
Value for Automatic Iris
Adjustment
The reference value for automatic iris adjustment can be changed to
enable the shooting of clear pictures of back-lit subjects, or to obtain
special effects. The reference value for the lens iris can be set within the
following range with respect to the standard value as defined by an F
number.
• 0.5: about 0.5 stop further open
• 0.25: about 0.25 stop further open
• −0.25: about 0.25 stop further closed
• −0.5: about 0.5 stop further closed
To change the reference value, set A. IRIS OVERRIDE to ON (factory
setting is OFF) on the FUNCTION 2/2 page of the setup menu.
The reference value is normally set to the standard value. Even if the
reference value is changed, it reverts to the standard value every time the
power is turned on.
Opening or closing the lens iris
1 Set the MENU ON/OFF/PAGE switch to OFF to close the menu.
2 • To open the iris by 0.25 stop: turn the rotary encoder
counterclockwise as seen from the front of the camera.
One bar appears in the upper part to the left of the F number in the
iris indication.
• To open the iris by 0.5 stop: turn the rotary encoder further
counterclockwise as seen from the front of the camera.
Two bars appear in the upper part to the left of the F number in the
iris indication.
(Continued)