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16 Cards in this Set
- Front
- Back
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Ocular
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The lens closest to your eye when you look through a microscope
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Body Tube
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The cylindrical tube that holds the eyepiece
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Arm
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The curved part that holds the body tube in place over the stage
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Coarse Focus Knob
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Knobs used to roughly adjust the position of the stage to quickly bring a specimen into focus. This should only be used with the scanning (4x) objective lense in place
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Fine Focus Knob
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KNobs used to make small adjustments to the position of the body tube or stage, bringing your specimen into finer focus. Using this knob allows you to focus on a specimen at a higher power, once it has been brought into focus at a lower power
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Objectives
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The lower cylindrical lenses on a microscope that are screwed into the nosepiece and which are located closest to the specimen being viewed
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Scanning Objective
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(4x) the objective with the red band; this should be the objective you use first to find the object you wish to view. Only one to be used with the coarse focus knob
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Low Power Objective
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(10x) the objective with the yellow band; once you have what you are viewing already focused with the scanning lens, you can rotate to this lens. Only use with the fine focus knob.
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High Power Objective
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(40x) the objective with the blue band; this objective will sometimes be used in order to view specific portions of a larger structure. Never use with the coarch focus knob
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Mechanical Stage
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A device attached to the stage, in place of stage clips, that holds the slide firmly in place and allows more precise movement of the slide during viewing
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Stage
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The flat surface you put your slide or specimen on
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Condenser
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A device on the underside of the stage, visible through the opening in the stage, that functions to condense and focus the light coming through the diaphragm
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Iris Diaphragm
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Working like the iris of your eye or camera, this device (which is located on the underside of the stage, near the opening in the stage) may be opened or closed to adjust the amount of light that is allowed to pass through the specimen. By moving the lever under the stage either to the right or the left, you can change open the diaphragm wider or make the opening smaller. This changes the amount of light that is allowed to pass through your specimen
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Illuminator
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The light source located within the base of the microscope
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Base
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The part of the microscope that contains the power switch (and the illuminator unless it is separate), and on which the microscope rests
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Nosepiece
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The disk-shaped part of the microscope, located beneath the body tube, and into which the objective lens are scrwed - this piece is rotated clockwise to increase the objective power of the microscope and counterclockwisxe to decrease it again.
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