Olympus BX53M Instructions Manual page 50

Light source side
4
c
44
2
a
3
b
a
Attaching the arbitrary filter
The arbitrary filter with the following size can be inserted to the empty
slider (U-25).
Diameter
Thickness 2.6 mm or less
1
Set the display surface of the empty slider facing down and the surface
attached with the cover facing up.
2
Insert the precision screwdriver in the notch a of the cover diagonally,
and raise and slide the cover with the precision screwdriver to open
the cover.
3
Insert the arbitrary filter in the filter mounting hole b of the slider.
If the orientation of the filter to use is specified, insert the
NOTE
filter so that the filter surface of the light source side faces
up.
4
Insert the precision screwdriver in the notch a , and raise and slide the
cover with the precision screwdriver to return the cover to the original
position. At this time, slide the cover under the tabs (6 positions) c
until the "clap" sound is heard.
Ø25 mm