Flashcards in Microscopes Deck (40)
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30
Fine adjustment focus knob
The smaller knob projecting out of the coarse adjustment knob. Makes very slight changes, used to bring the image of an object into sharp focus. Used on medium and high power objective lenses
31
Stage
The place where the slide is placed for viewing. There is a hole in the stage; the object to be viewed should be placed directly over the hole to allow light to shine through the object.
32
Stage clips and knobs
The metal clips holds the slide into place, and allow the slide to be moved easily to position or reposition an object
33
Condenser
The condenser focuses light
34
Iris diaphragm
This is located immediately under the stage. By moving this lever to the right or left, you can adjust the amt. of light that passes through the specimen and therefore the contrast
35
Light source
Comes from the base of the microscope, shines upward to illuminate an object
36
Reastat
Controls light. Little wheel. Needs to be turned away (all the way down) before putting the microscope back
37
Total magnification is figured out how?
Total mag.= ocular mag x object. mag
38
Pointer
The little needle that points to structures in the magnified image.
39
