The flashcards below were created by user
Jessa
on FreezingBlue Flashcards.
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Head
Houses the ocular and objective lenses
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Interpupillary Distant Adjustment
Binocular
two ocular pieces that adjust space between your eyes
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Ocular Lenses
found on the top of the head
Magnify at 10x power
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Rotating nose piece
revolving mechanism, at he base of head, holds objective lenses
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objective lenses
- Found attached to rotating nose piece
- Magnifies at 4x 10x 40x 100x
- always start in 10x
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Arm (handle)
connects head to base
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rehostat (light intensity knob)
- Dimmer Knob
- controls brightness
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Stage
Platform that slide is placed on
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Mechanical Stage
Lever arm on stage that holds the slide firmly in place
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Iris Diaphragm
Reduces the amount of light by opening or closing
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Illuminator (light source)
- found on the base
- houses the light bulb
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Axis Controls
- found below the stage
- Z=top axis knob (forward and back)
- X=bottom axis knob (left to right)
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Base
Bottom of Microscope
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Coarse Adjustment
- Large knob used with 10x only
- Y=moves stage up and down
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Fine adjustment
- small knob on coarse adjustment
- used in 40x and 100x for focus
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Real Image
Projected by the objective lens to the ocular lens
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Virtual Image
Seen by your eyes
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Magnification
- the ratio on image size to actual size
- 100x=100 times bigger
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Total Maginfication
- Determined by multiplying the ocular lens by the objective lens
- 10x40=400
- ocular lens is always 10x
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