AmScope B270 Manual - Halaman 10

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1.3 Light Condenser

This microscope uses a light condenser to focus and control the amount of light which passes through the specimen. An

Abbe condenser is pre-mounted so no initial setup is required. Additional condensers may be used such as darkfield con-

densers. This model uses a bottom-loading design, so the condenser is mounted from under the holder, sliding upward

into position.

In order to remove the Abbe condenser and attach a different condenser, the illuminator's field lens must first be re-

moved. Begin by raising the stage using a coarse focus knob to provide more space under the stage. Use the condens-

er-holder's height adjuster to raise the holder to its maximum height. Unscrew the illuminator's field lens by rotating

it counter-clockwise until it can be removed. Once removed, locate the condenser's locking screw on the front of the

holder. Use one hand to hold the condenser in place to avoid dropping it, then turn the screw counter-clockwise until

the condenser is released. Once the condenser has been removed, insert the desired condenser into the holder until it is

fully seated, then tighten the locking screw. Once the condenser is secured, replace the illuminator's field lens.

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