Nikon Eclipse LV100DA-U Instructions Manual page 72

Replacing excitation light filters, barrier filters, and dichroic mirrors
The excitation light filter, the barrier filter, and the dichroic mirror in the filter cube can be replaced
with other elements. When handling these elements, put on gloves and do not touch the surface of
filters and mirrors with bare hands. And be careful not to let dust or fingerprints get on them.
• Replacing excitation light filters
The excitation light filter is secured by a screwed type holding ring to the filter cube.
1 Rotate the holding ring in counterclockwise direction
to remove it.
2 Replace the excitation light filter with a new one and
secure it with the holding ring.
When attaching the excitation light filter, make sure to
place the filter with its arrow mark on the rim facing
to the dichroic mirror side.
If a filter made by other manufacturer is used, check
and see the filter orientation with the indication on the
rim of the filter before securing it.
• Replacing barrier filters
The barrier filter is secured by a screw type holding ring to the mounting plate at the top of the filter
cube.
1 Press the latch to inside and detach the mounting plate
with the barrier filter.
2 Rotate the holding ring to remove it from the
mounting plate.
3 Replace the barrier filter with a new one and secure it
in the reverse order.
When attaching the barrier filter, make sure to place
the filter with its arrow mark on the rim facing down
(to the dichroic mirror side).
If a filter made by other manufacturer is used, check
and see the filter orientation with the indication on the
rim of the filter before securing it.
• Replacing dichroic mirrors
A dichroic mirror is fixed with a flat spring and a mounting hardware inside the filter cube.
1 Detach the mounting plate with the barrier filter.
2 Pull the mounting hardware upward to remove it. (It is
clamped with latches on both sides.)
3 Remove the flat spring and the dichroic mirror.
4 Set a new dichroic mirror and attach the flat spring
and the dichroic mirror in their original positions.
The edge of the dichroic mirror is slanted on one side
to distinguish the reflection surface. The slanted edge
should be placed in a downward direction to fit the
bottom of the filter cube.
And, the flat spring should be placed to hold the both
sides of the dichroic mirror.
5 Put the mounting hardware and the barrier filter back
to their original positions.
70
U V - 2 A
E X 33
D M 40
B A 42
Holding ring
Excitation filter
(The arrow indicates the mirror.)
Holding ring
Barrier filter
(The arrow
points down
(mirror).)
Mounting plate
U V - 2 A
E X 33
0- 38 0
D M 40
0
B A 42
0
Barrier filter and
mounting plate
Mounting part
Flat spring
Dichroic mirror
Flat spring Mirror
U V - 2 A
The slanted side is
placed downward.
0- 38 0
0
0
Latch
E X 33
0- 38 0
D M 40
0
B A 42
0