Intro to the microscope
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Intro to the Microscope. Warm-up Pg. _____: Copy these vocab words and definitions into your notebook Microscope : A scientific tool that helps magnify very small objects, like cells Resolution : The sharpness of an image. Eyepiece. Course adjustment knob. Body Tube. Fine adjustment knob.

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Intro to the microscope
Intro to the Microscope

  • Warm-up Pg. _____: Copy these vocab words and definitions into your notebook

  • Microscope: A scientific tool that helps magnify very small objects, like cells

  • Resolution: The sharpness of an image


Intro to the microscope

Eyepiece

Course adjustment knob

Body Tube

Fine adjustment knob

Nosepiece

Low power lens

arm

Stage clip

High Power Lens

Stage

Diaphragm

Base

Light


Eyepiece
Eyepiece

EYEPIECE

Magnifies object 10X’s


High power lens
High Power lens

High Powered Lens

Largest lens, 40X’s magnification, smaller viewing field


Intro to the microscope
Base

Base

One hand here when moving microscope


Stage
Stage

Stage

Holds the slide


Diaphragm
Diaphragm

Diaphragm

Lets in light, can be adjusted


Light
Light

Light

Electric, must be turned on


Nosepiece
Nosepiece

nosepiece

Holds 2-3 magnification lenses


Stage clip
Stage clip

Stageclips

Hold slide in place


Low power lens
Low power Lens

Low powered lens

Smallest lens, 4x’s magnification,

Large viewing field


Fine adjustment knob
Fine adjustment knob

Fine adjustment knob

Fine tunes focus – improves resolution


Body tube
Body Tube

Body Tube

Removes extra light


Course adjustment knob
Course Adjustment Knob

Course adjustment knob

moves stage up and down

use only on low power


Intro to the microscope
Arm

Arm

One hand here when moving microscope


Magnification
Magnification

Eyepiece x lens magnification = total magnification

10x’s mag. X 4x’s mag. = 40x’s magnification (the image is 40 times larger then when seen with the unaided eye)


Focusing the microscope
Focusing the Microscope

Start on low power lens with stage lowered

SLOWLY bring stage up with course adjustment knob until image is visible

Adjust the focus and resolution with the fine adjustment knob

THEN move to high powered lens

Adjust focus with fine adjustment knob ONLY