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2-8. Replacement of Filter Disk Unit
2-8-2. ND/CC Filters
Four ND and CC filters each are provided with the filter
disk unit. They have different features respectively. So
when replacing filter, install observing the correct installa-
tion position and orientation.
ND/CC Filter List
Filter
Fig. Type
A
CC
Cross
B
Clear
C
4300K
(light brown)
D
6300K
(dark brown)
1
ND
Clear
2
1/4 ND
(light gray)
3
1/16 ND
4
1/64 ND
(dark gray)
Precision
PTP2 x 2
B
Precision
PTP2 x 2
Positioning mark
Precision
P2 x 2
< Front view >
Precision
PTP2 x 2
4
Precision
PTP2 x 2
Positioning mark
< Rear view >
2-8 (E)
Sony P/N
Orientation
9-939-645-01
Cut surface facing
the lens
9-939-640-01
No orientation
9-939-647-01
No orientation
9-939-648-01
No orientation
9-939-640-01
No orientation
9-939-641-01
ND-coated (black-
coated) surface
facing the lens
9-939-643-01
9-939-644-01
No orientation
Precision
PTP2 x 2
C
D
A
Precision
PTP2 x 2
Precision
P2 x 2
Precision
PTP2 x 2
3
2
Precision
1
PTP2 x 2
Replacement
n
It is recommendable to replace the ND or CC filter in a
clean room.
1. Remove the filter disk unit referring to Section 2-8-1.
2. Remove the two screws to remove retainers securing
the filter to be replaced.
3. Install a new filter using the screws and retainers
which were removed in procedure 2.
m
. When installing a CC cross filter or ND filter, take
care that it is established to the correct orientation.
. The shape of the retainers and the size of fixing
screws differ according to the type of filter secured
by them.
Filter disk unit
Retainers
4. Install the filter disk unit in the camera referring to
Section 2-8-1.
Adjustment
After replacement, white balance adjustment is required.
Refer to Section 4-8 for details on adjustment.
Filter
HDC-750A
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