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29 Cards in this Set
- Front
- Back
|
compound microscope
|
precision instrument
to observe and study structure that cannot be seen w/ unaided eye |
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microscope
base |
supports the
microscope |
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substage light or
mirror |
located in base
substagelight up through micro. |
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stage
|
the platform the
slide rest on |
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condenser
|
small substage lens
concentrates light on specimen |
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iris diaphragm
lever |
arem attached to the
base of the condeser regulates light |
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coarse adjustment
knob |
focus on specimen
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fine adjustment
knob |
precise focusing
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head or body tube
|
supports objective lens
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arm
|
vertical portion
connecting base and head |
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ocular or
eyepiece |
1 or 2 lenses
@ superior of head or body 10X magnification |
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pointer
|
indicate specific
area of specimen |
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nosepiece
|
rotating mechanism at
base of head |
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objective lens
|
adjustable lens
permits use of scan, low, or high power lens & oil immmersion lens |
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total magnification
|
= to power of ocular
x power of ocular lens used |
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field
|
the area u see
through microscope |
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working distance
|
how far the bottom
of objective lens is from specimen |
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parfocal
|
slide should be in focus
at higher magnification once properly focused |
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depth of field
|
depth of specimen
clearly in focus |
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stereomicroscope or
dissecting microscope |
specimens too large to view
with compound microscope but too small with unaided eye like large magnifying glass |
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adjustment focus
knob |
focus on specimen
|
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arm
|
connects base
to head |
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base
|
supports
microscope |
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occulars or
eyepiece |
magnify images
from objective lens |
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head or body
tube |
supports ocular or
objective lenses |
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light control
|
swithc that allows
transmitted or reflected light or both |
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stage
|
platform that
holds specimen |
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substage light
|
in base light up
through specimen |
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upper light
source |
above stage
directs light unto specimen |
