How to Properly Use a Microscope

Par

ts o

f Mic

rosc

ope

eye piece tube

revolving nosepiece

low power objectivemedium power objectivehigh power objective

stage clips

diaphragm

light source

eye piece lens

arm

stage

fine focus adjustment

base

course focusadjustment

Fun

ctio

n of

Par

ts holds eyepiece

selects objectives

wider anglemagnifies 4x

medium angle magnifies 10x

smallest angle magnifies 40x

holds slide to stageadjusts amount

of light through stage

light goes up through specimen

to your eye

magnifies 10x

hold to carry

slide lays on

focus on high power

hold to carry

focus on low power

Steps to Properly Use Microscope

1. Use course adjustment to lower stage all the way to the bottom. DO IT SLOWLY!!!

2. Use nosepiece to turn to low power objective.

3. Lay slide onto stage. Use the stage clips to make sure slide doesn’t move greatly. Make sure specimen is over the light hole.

4. While looking trough the eyepiece slowly use the course adjustment to focus specimen.

Steps to Properly Use Microscope

5. Once it is focus you can switch to the medium objective. You shouldn’t have to adjust the focus. If you need to move slide be careful and keep clips on the slide. Do it slowly!

6. You can switch to high power. Use the fine adjustment to focus. DO IT SLOWLY! NEVER LET THE OBJECTIVE TOUCH THE SLIDE! YOU WILL BREAK THE OBJECTIVES LENS!