DUO-SCOPE MFL-06 Podręcznik użytkownika - Strona 7

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Stereo Microscope Use (for solid objects)

As with the compound microscope, always begin your observation with the 4X

objective and increase magnification accordingly.

Note:

Only the 4X and 10X objectives may be used when viewing solid

specimens. The 40X lens is not suitable for use with the upper lighting due to the

focusing distance required. The 40X lens must be too close to the specimen and

does not allow any light to reach the specimen.

For contrast, you may find it necessary to place certain specimens on an index

card or small piece of paper before centering them on the stage. Since you are

using the upper light, it is not necessary for the opening in the stage to be exposed

for the lower light to shine through. Also, you do not want your specimen to fall

through the hole!

This application can allow you to magnify countless everyday items: for examples,

small rocks, leaves, insects, flower petals, coins, stamps, jewelry and more.

Focusing Tips

You will notice that with a three dimensional specimen, for

example, a small insect, you will have different levels to focus on; therefore the

entire image may not seem clear at the same time. Compare it to a flat field, such

as a postage stamp, where the specimen is all at the same level which allows the

microscope to focus on the entire field.

Remember to turn on the

overhead illuminator

Operation

Compound Microscope Use (for slides)

Begin with the stage platform at its lowest position. To observe specimens, check

the objective lens, and if necessary, rotate the nosepiece so that the 4X objective

lens is in position for viewing. The lens will "click" when in place. Always start

viewing any specimen with the 4X objective and increase accordingly.

Begin by selecting a prepared slide and placing it carefully on the stage (labeled

side up). Push gently on the back of the clips to lift the clips enough to slip the

slide under and hold it in place. The main part of the specimen should be centered

over the opening in the stage.

Turn on the lower illuminator to shine the light up through the stage and through

the tissue specimen on the slide.

Rotate the nosepiece

4X Objective

Rotate the nosepiece to 4X objective for

viewing and your image is magnified 40X

Use lower light for viewing slides