MIcroscope Review

MIcroscope parts and functions Power of magnification

Eyepiece/Ocular

Where you look into the microscope.

Body Tube

Light passes from the objective lens to the eyepiece through this part of the microscope. It separates the objective and the eyepiece

Nosepiece

The objective lenses are mounted on this part of the microscope. It works like a Lazy Susan.

Nosepiece

Holds the objectives and can be rotated to change the magnification

Coarse Adjustment Knob

You begin your focusing with this large knob of the microscope. Moves the stage up and down for focusing

Fine Adjustment Knob

Once you have focused your image, use this to fine tune the image. even farther. Moves the stage slightly to sharpen the image

Stageclips

These two things keep the slide from moving around on the stage. Holds the slide in place

Aperture

The opening in the stage that allows light through.

Diaphragm

This disk under the stage controls the amount of light that passes through the aperture. Regulates the amount of light passing through the stage opening

Slide

This is a thin piece of glass where you place your specimen.

Arm

This part supports the entire upper portion of the microscope and connects the upper and lower areas.

Lamp

This provides light so that it is easier to see the object that you are viewing. It projects light through the specimen making it visible

Legs

The base is sometimes divided into 2 parts called _____________. The lamp is located between these two things.

Objective Lenses

There may be two or three of these mounted on the nosepiece. Each one magnifies a different power.

Base

The support at the bottom of the microscope that holds it up.

Supports the microscope

Stage

Where the slide is placed for viewing.

Coarse

You must focus with the ____________ adjustment knob first.

base

You carry the microscope holding the arm and the _____________.

cord

This part must be held when carrying the microscope and must not be dangling off the counter/table when the microscope is in use.

diaphragm and objective lens

Which 2 parts need to be lined up with the aperture so light can pass through them up to your eye?

fine

When using the high power objective lens, only focus with the __________ adjustment knob.

power of magnification

how much larger the image appears

power of magnification formula

objective lens X eyepiece magnification