Olympus CX21 Manuel d'entretien - Page 12

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CX21 MAINTENANCE MANUAL

2-2 How to find dirty portion through observation

1) Close the aperture iris diaphragm.

(When the aperture iris diaphragm is closed, 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

following the description below.

Eyepiece

Check it by rotating the eyepiece

after clamping screw is loosened.

(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 the top lens and filter if

conspicuous dirt is not seen.

Collector lens part

Check it if conspicuous dirt

is not seen.

(Dust and dirt particles here

have minimal effect on the

image. However, the overall

appearance requires inside

lens cleaning.)

Note: If dirty portion can not be identified in the above, it is assumed that internal lens and

prism are contaminated.

In this case, please contact your Authorized Olympus dealer.

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INSPECTION PROCEDURE

Specimen

Check it by moving the stage.