If using a VIDEO type auto-iris lens
•
The
ALC
volume on the lens should be
turned all the way to
Av
(Average).
•
If the backlight compensation function
does not compensate properly for the
conditions, set using the
LEVEL
volume
on the lens.
CAUTION:
The electronic iris function and the
backlight compensation function cannot
operate simultaneously.
E: Lens iris adjustment
If using a DC type auto-iris lens, you will
need to set the
LEVEL
(VR401) volume
when shooting in the conditions described
below.
L (counterclockwise):
To decrease the
contrast
H (clockwise):
To increase the contrast
•
If shooting simultaneously in a dark
room and through a bright window.
•
If the subject background is extremely
bright or dark.
•
If the brightness of the picture on the
monitor is not correct.
F: Flange-back adjustment
If the pick-up surface is not correctly
positioned with relation to the lens focal
point, the picture will be out of focus (in
particular when using auto-iris power zoom
lenses, sold separately). If that is the case,
adjust the flange-back position as described
below.
1
Using a
+
screwdriver, loosen the
FLANGE BACK LOCK
screw (
M2:+
).
2
Set the zoom lens to the maximum
telephoto position, set the focus using
the focus ring on the lens.
3
Set the zoom lens to the maximum
wide angle position, set the focus using
the
FLANGE BACK ADJ.
screw.
4
Repeat steps 2 and 3, until the image
stays in focus when changing from a
telephoto shot to a wide angle shot.
When the setting is complete, tighten
the
FLANGE BACK LOCK
screw.
L
E
V
E
L
L
H
VR401
2
3
1
4
L53L4/XE GB 1995, 8, 28
12
English
