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BX2 MAINTENANCE MANUAL

2-2 How to find dirty portion through observation

1) Stop down the aperture iris diaphragm.

(When the aperture iris diaphragm is stopped down, it facilitates finding the dirt

particles because the depth of focus increases and the dirt position bring into

focus. However, very small dirt particle may not be found in this method.)

2) Observe a specimen through the eyepiece.

If dirt is seen by observing it, look for the portion where stains or dust is adhered

by moving the following components as well as a specimen.

For TV camera, check it by method shown below.

Photo eyepiece

Check it by rotating

the photo eyepiece.

(The dust particles will be

focused on the film plane.)

Eyepiece

Check it by rotating the eyepiece.

(Wipe carefully and gently so as

not to damage the lens coating.)

Objective

Dirt is not directly seen, but

dirt and dust particles affect

the microscope image.

Condenser

Check it by loosening the

fixing screw and moving

the condenser forward or

backward.

Filter/Collector lens

Check it by rotating the filter.

(Dust and dirt particles here

have minimal effect on the

image. However, the overall

appearance requires frequent

cleaning. Wipe evenly since

this is a wide surface area.)

Note: If dirt particles do not move by moving the above components, it is assumed that

the lens and filter inside the microscope is contaminated.

In this case, please contact your Authorized Olympus dealer.

INSPECTION PROCEDURE

OLYMPUS

NFK5XLD

1 2 5

Built-in Filters

Check it by pulling in and out

the knob of filter.

Difficult to clean. please consult

your Authorized Olympus dealer.

- 9 -

TV camera

Dust particles appearing on

the monitor screen: if the particles

move only when the specimen or

condenser is moved, clean the

specimen and/or condenser.

If they do not moved when the TV

camera is rotated, clean the

camera tip.

OL YMPUS

1 2

1 1

1 0

PRE-SET

Mirror for Large format attachment

Dust and durt particles here affect

pictures. Difficult to clean without

damaging the mirror surface.

Please contact your Authorized Olympus

dealer.