Brightfield Microscopy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| A microscope that allows light rays to pass directly to the eye without being deflected by an intervening opaque plate in the condenser. | show 🗑
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| show | When carrying your microscope from one part of the room to another, use both hands to hold the instrument.
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| show | Arm; base.
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| show | Stage.
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| The clamping device is called ___, which is used for holding and moving the slide around the stage. | show 🗑
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| The knurled wheel on the right side of the base to regulate the voltage supplied to the lightbulb is called ___ ___ ___. | show 🗑
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| The ___ ___ ___ is often needed to reduce the intensity of light below the lower limit allowed by the voltage control. You can place it over the light source in the base, or in some microscopes, it is built into the base. | show 🗑
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| show | Oculars, objectives, condenser.
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| This complex piece is located at the top of the instrument, which consists of two or more internal bases and has a magnification of 10x. Most have two lenses. | show 🗑
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| show | Objectives.
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| show | 10x (low-power), 40x (high-dry), 100x (oil immersion).
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| show | Multiply the power of the ocular lens (10x) by the power of the objective lens used (10x or 40x, or 100x).
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| Which third lens system is located under the stage? It collects and directs the light from the lamp to the slide being studied. It does not affect the magnifying power of the compound microscope. It can be moved up and down by a knob under the stage. | show 🗑
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| show | Diaphragm.
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