Olympus BX43 Manuel d'instructions - Page 32

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Problem

Dirt or dust is visible in the field

of view.

Visibility is poor

· Image is not poor.

· Contrast is poor.

· Details are indistinct.

· Image glares.

One side of image is blurred.

Image appears to waver.

Coarse adjustment knob is hard

to turn.

Image cannot be focused:

· Objective drifts down by itself.

· Fine adjustment knob slips.

Lamp

Cause

Common

Dirt/dust on the eyepieces.

Common

Dirt or dust on condenser top

lens.

Common

Dirt/dust on the specimen.

Common

A non-UIS/UIS2 objective is

used.

Common

Condenser height is too low.

Common

Aperture iris diaphragm is not

opened enough.

Common

Revolving nosepiece is not at-

tached properly.

Common

Correction collar on correction

collar-equipped objective is not

properly adjusted.

Common

Front lens of objective is dirty.

Common

Immersion oil is not being used

with an oil immersion objective.

Common

Immersion oil contains bubbles.

Common

Recommended immersion oil is

not used.

Common

Dirt/dust on specimen.

Common

Dirt/dust on condenser top lens.

Common

Objective is not correctly engaged

in light path.

Common

Stage is not correctly mounted.

Common

Revolving nosepiece is not at-

tached properly.

Common

Specimen is mounted upside

down.

Common

Revolving nosepiece is not

attached properly.

Common

Objective is not correctly engaged

in light path.

Common

Condenser is not properly

centered.

Common

Tension adjustment ring is

tightened excessively.

Common

You are trying to raise stage

without coarse adjustment knob

while pre-focusing lever is kept

locked.

Common

Tension adjustment ring is too

loose.

Remedy

Clean thoroughly.

Use only UIS2/UIS series objecti-

ves with this microscope.

Adjust correctly.

Open aperture iris diaphragm.

Push the slide dovetail all the way

until it is stopped.

While focusing, turn the correction

collar to find the best position.

Clean objective.

Use immersion oil.

Remove the bubbles.

Use an Olympus-designated

immersion oil.

Clean it.

Make sure that revolving nosepiece

clicks into place correctly.

Re-attach it.

Push the slide dovetail all the way

until it is stopped.

Mount specimen correctly.

Push the slide dovetail all the way

until it is stopped.

Make sure that revolving nosepie-

ce clicks into place correctly.

Center the condenser.

Loose ring.

Unlock pre-focusing lever.

Tighten ring.

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