the northwest microscope the ocular lens ocular magnification = ___ x
TRANSCRIPT
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The Northwest Microscope
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The Ocular Lens
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The Ocular Lens
OcularMagnification
= ___ X
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The Ocular Lens
OcularMagnification
= 10 X
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The Low Power Objective LensMagnification
= 4 x
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Ocular magnification x Objective magnification
= Total Magnification
Eg. For the low power objective:
Ocular magnification x Objective magnification
Total Magnification = 10 x 4 =
4
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Ocular magnification x Objective magnification
= Total Magnification
Eg. For the low power objective:
Ocular magnification x Objective magnification
Total Magnification = 10 x 4 = 40x
4
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The Medium Power
Objective Lens
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The Medium Power
Objective Lens
Objective Magnification
= 10 x
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Ocular magnification x Objective magnification
10 x 10 = 100 x
Total Magnification =
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The High Power Objective Lens
Magnification = 40 x
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The High Power Objective Lens
Magnification = 40 x
Total Magnification = 10 x 40 = 400 x
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The Light Switch
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Course Focus Adjustment
Knob
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Course Focus Adjustment
Knob
Fine Focus Adjustment
Knob
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The Stage
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The StageClips
The Stage
The StageClips
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The StageClips
The Stage
The StageClips
The Center of the Stage
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The Light Control Disk
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The Light Control Disk-the larger the hole below the
object, the more light gets through to the object.
The Stage
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The Boreal Microscope
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The AC AdaptorPlug into
outlet
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This end plugs in HERE
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The ON/OFF Switch for the Light
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The Ocular LensMagnification
= 10 x
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Low Power Objective LensMagnification = 4 x
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Medium Power
Objective Lens
Magnification = 10 x
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High Power Objective Lens
Magnification = 40 x
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Light
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Light
Light Control
Diaphragm
Stage
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Course Focus Adjustment
Knob
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Course Focus
Adjustment Knob
Fine Focus Adjustment
Knob
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Stage
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Stage
StageClips
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4
When you put the microscope away, the LOW power objective lens should be right on top of the center of the stage !!!!!!
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4
When you put the microscope away, the LOW power objective lens should be right on top of the center of the stage !!!!!!
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This is the Cover !
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Put the cover over the microscope before you leave!!
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Steps in Viewing a Prepared Slide
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Steps in Viewing a Prepared Slide
1.Click LOW power objective on top of the center of the stage.
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Steps in Viewing a Prepared Slide
1.Click LOW power objective on top of the center of the stage.
2.Clip Slide under clips
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Steps in Viewing a Prepared Slide
1.Click LOW power objective on top of the center of the stage.
2.Clip Slide under clips
3. Align so object being viewed is right in the very center.
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Steps in Viewing a Prepared Slide
1.Click LOW power objective on top of the center of the stage.
2.Clip Slide under clips
3. Align so object being viewed is right in the very center.
4. Adjust focus with course and then fine adjustment. Make sure the object is in the very center before you switch to a higher magnification.
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Steps in Viewing a Prepared Slide
6. Click Medium (10 x ) objective lens Into place above the slide.
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Steps in Viewing a Prepared Slide
6. Click Medium (10 x ) objective lens Into place above the slide.7. Focus with fine adjustment knob. (You may have to move the slide a bit to keep the object in the center)
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Steps in Viewing a Prepared Slide
6. Click Medium (10 x ) objective lens Into place above the slide.7. Focus with fine adjustment knob. (You may have to move the slide a bit to keep the object in the center)8. If you require, switch to HIGH power objective. Do NOT use the course adjustment knob!!! MAKE SURE THE LENS DOES NOTNOT TOUCH THE SLIDE !!!!
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