5
Filter Thickness
Push Ring Orientation
Notes
· 4 mm or more
· U-FWCO1.25X
· U-FW32PO
· Mount the U-FWCO1.25X so that the side with 29.6 mm
diameter faces downward.
· Be sure to mount the U-FW32PO in hole No.1.
(While aligning the indexes with each other, align the
positioning pin with the groove.)
· Below 4 mm
· Conversion adapter*
* Six conversion adapters are provided for each of U-
FWR/FWO.
}The above procedures apply when a 25 mm filter is mounted on the conversion adapter.
2. By inserting the push ring driver ² which is attached by magnetic absorp-
tion to the filter wheel into the slit ³ on the push ring, insert the ring
clockwise the clamp the filter |.
}When attaching a 25 mm filter on a conversion adapter, use the smaller
blade of the ring driver ².
To prevent flare, the filter insertion section of conversion adapters is tilted
by 5°. Take care of the tilting when attaching a filter.
}Barrier filters and excitation filters have arrow indexes on their side panels.
Barrier filter:
Align the arrow with the insertion direction.
Excitation filter: Align the arrow with the opposite direction to the inser-
tion direction.
3. After inserting all the required filters, attach the cover @ in the original
position.
Fig. 2
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³
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