Ch. 4 The Parts of a Microscope for Lab

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Last updated 3:42 AM on 8/27/26
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17 Terms

1
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ocular lens

Magnification lens located at the top of the microscope

what is structure number 9?

<p>Magnification lens located at the top of the microscope </p><p>what is structure number 9?</p>
2
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body tube

what is structure number 1?

The part of the microscope that connects the ocular lenses and the rotating nosepiece with the objective lenses; contains lens that helps to focus but not magnify

<p>what is structure number 1?</p><p>The part of the microscope that connects the ocular lenses and the rotating nosepiece with the objective lenses; contains lens that helps to focus but not magnify</p>
3
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arm

The part of the microscope that support the lenses, body tube, and nose piece; is used to carry the microscope.

<p>The part of the microscope that support the lenses, body tube, and nose piece; is used to carry the microscope.</p>
4
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rotating nosepiece

contains the three to four objective lenses of the microscope, and is used to rotate the desired lens into place

<p>contains the three to four objective lenses of the microscope, and is used to rotate the desired lens into place</p>
5
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scanning objective lens

The lowest power lens that has a magnification of 5x; the lens that is used to start with

<p>The lowest power lens that has a magnification of 5x; the lens that is used to start with</p>
6
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low power objective lens (LP)

the lens with the third highest power and a magnification of 10x

what is structure number 3?

<p>the lens with the third highest power and a magnification of 10x</p><p>what is structure number 3?</p>
7
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high power objective lens (HP)

the lens with the second highest power and a magnification of 40x - 45x

<p>the lens with the second highest power and a magnification of 40x - 45x</p>
8
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oil immersion lens

the highest power lens with a magnification of 100x; this lens cannot be used without oil

<p>the highest power lens with a magnification of 100x; this lens cannot be used without oil</p>
9
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course focus

Moves the nose piece up and down to focus the specimen; can only be used with scanning and low power objective lenses

<p>Moves the nose piece up and down to focus the specimen; can only be used with scanning and low power objective lenses</p>
10
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fine focus

focuses the specimen without moving the nosepiece up and down; used to focus all lenses

<p>focuses the specimen without moving the nosepiece up and down; used to focus all lenses</p>
11
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slide manipulator

Moves the slide around on the stage so that different parts of the slide can be viewed

<p>Moves the slide around on the stage so that different parts of the slide can be viewed</p>
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stage clips

Holds the slide in place; are connected to the slide manipulator

<p>Holds the slide in place; are connected to the slide manipulator</p>
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stage

The platform of the microscope that holds the slides

what is the structure pointed out by the red arrow?

<p>The platform of the microscope that holds the slides</p><p>what is the structure pointed out by the red arrow?</p>
14
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iris diaphragm

The switch that moves the condenser to adjust the amount of light that shines through the specimen slide

<p>The switch that moves the condenser to adjust the amount of light that shines through the specimen slide</p>
15
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condenser

Can be opened or closed to adjust the amount of light that shines through the specimen slide for better contrast and sharpness

<p>Can be opened or closed to adjust the amount of light that shines through the specimen slide for better contrast and sharpness</p>
16
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illuminator

Provides the light that shines through the specimen slide so that the specimen is visible

<p>Provides the light that shines through the specimen slide so that the specimen is visible</p>
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base

The bottom part of the microscope; is used to carry the microscope

<p>The bottom part of the microscope; is used to carry the microscope</p>