Nikon Eclipse E600 Gebruiksaanwijzing - Pagina 24

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3. Operation of Each Part

Any oil remaining on an oil-immersion type of objective or staining on the tip of a dry type of

objective has a negative effect on viewing.

After using oil, wipe all of it away and make sure that

there is no oil on the tips of the other objectives.

Also carefully wipe away the oil on the condenser

lens after use.

Use petroleum benzine to wipe away immersion oil.

Removing the oil and wiping with absolute

alcohol (ethyl alcohol or methyl alcohol) will complete cleaning.

If you cannot obtain petroleum benzine, use methyl alcohol.

Note that methyl alcohol does not

clean as well as petroleum benzine and it will be necessary to repeatedly wipe the surfaces (three or

four times is usually sufficient to clean the lenses.)

WARNING

When using petroleum benzine or absolute alcohol, always follow the instructions

provided by the manufacturer.

Keep these flammable liquids away from fire or

sparks.

Water-immersion operation

(using a water-immersion type of objective and condenser)

An objective marked "WI" or "W" is a water-immersion type.

These objectives are used with the

immersion water (distilled water or physiological saline) applied between the specimen and the tip

of the objective.

Microscopy is performed in the same manner as that for an oil-immersion type of

objective.

Since water evaporates easily, periodically check it during observation. Applying excess water will

cause it to flow onto the stage and condenser and ultimately result in corrosion.

After use, wipe any water from the tip of the objective and condenser and complete the clean-up

process by wiping with absolute alcohol.

If the water dries and leaves a stain, apply a small amount of neutral detergent and wipe gently.

Complete the clean-up process by wiping with absolute alcohol.