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A&P Lab Microscope Terms
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Head
Houses the ocular and objective lenses
Interpupillary Distant Adjustment
Binocular
two ocular pieces that adjust space between your eyes
Ocular Lenses
found on the top of the head
Magnify at 10x power
Rotating nose piece
revolving mechanism, at he base of head, holds objective lenses
objective lenses
Found attached to rotating nose piece
Magnifies at 4x 10x 40x 100x
always start in 10x
Arm (handle)
connects head to base
rehostat (light intensity knob)
Dimmer Knob
controls brightness
Stage
Platform that slide is placed on
Mechanical Stage
Lever arm on stage that holds the slide firmly in place
Iris Diaphragm
Reduces the amount of light by opening or closing
Illuminator (light source)
found on the base
houses the light bulb
Axis Controls
found below the stage
Z=top axis knob (forward and back)
X=bottom axis knob (left to right)
Base
Bottom of Microscope
Coarse Adjustment
Large knob used with 10x only
Y=moves stage up and down
Fine adjustment
small knob on coarse adjustment
used in 40x and 100x for focus
Real Image
Projected by the objective lens to the ocular lens
Virtual Image
Seen by your eyes
Magnification
the ratio on image size to actual size
100x=100 times bigger
Resolution
Image clarity
Total Maginfication
Determined by multiplying the ocular lens by the objective lens
10x40=400
ocular lens is always 10x
Author
Jessa
ID
193770
Card Set
A&P Lab Microscope Terms
Description
Microscope Terms
Updated
1/19/2013, 6:42:56 PM
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