Microscope Parts

Body Tube

Keeps correct distance between eyepiece and lens

Revolving Nosepiece

Holds low, medium, and high power objectives, can be rotated to adjust magnification

Medium Power Objective

Provides magnification, usually about 10x, total magnification is 100

Low Power Objective

Provides magnification, usually about 4x, total magnification is 40

High Power Objective

Provides magnification, usually about 40x, total magnification is 400

Stage Clips

Grip slide in place for viewing

Diaphragm

Controls amount of light entering the body tube

Light Source

Sends light upward through the diaphragm

Ocular Lens (eye piece)

Holds magnifying lens used for viewing; 10x magnification

Arm

Supports the body tube

Stage

Holds slide on flat surface

Course adjustment knob

Moves body tube up and down for focusing

Fine adjustment knob

Sharpens image by moving body tube slightly

Total magnification

Determined by multiplying the ocular lens (eye piece) which has a magnification power of 10x by the specific objective lens power