Microscope Parts Study Guide

Eyepiece Lens

• supports the body tube

• contains a lens that magnifies about 10X

• magnifies about 40X

• magnifies about 10X

Body Tube

• holds the slide in place

• controls the amount of light passing through the opening of the stage

• supports the body tube

• separates the eyepiece lens from the objective lenses

Arm

• contains a lens that magnifies about 10X

• supports the body tube

• moves the body tube to focus the image (a lot of adjustment)

• supports the microscope

Supports the microscope

• Base

• Stage

• Diaphragm

• Light Source

Stage

• projects or reflects light upward through the diaphragm

• moves the body tube slightly to adjust the image (a little adjustment)

• supports the slide being used

• separates the eyepiece lens from the objective lenses

holds the slide in place

• Arm

• Base

• Stage

• Stage Clips

controls the amount of light passing through the opening of the stage

• Light Source

• Diaphragm

• Coarse Adjustment Knob

• Mirror

projects or reflects light upward through the diaphragm

• Revolving Nosepiece

• Light Source

• Fine Adjustment Knob

• Stage

Course Adjustment Knob

• controls the amount of light passing through the opening of the stage

• moves the body tube slightly to adjust the image (a little adjustment)

• moves the body tube to focus the image (a lot of adjustment)

moves the body tube slightly to adjust the image

• Fine Adjustment Knob

• Low-Power Objective Lenses

• Stage Clips

• Light Source