How to use a compound microscope
Know your microscope : know
the all part of microscope and their use. Repeat these things until you become
familiar.
Move the microscope carefully:
1.
use your both hand , one arm
place at arm of microscope and another hand place base of microscope .
2.
hold the microscope close to your
body as far as possible.
3.
Put the microscope away from the
edge of table
How to focus a histological slide without breaking
1. Put the
slide on the stage and secure by stage clips
2. At 1st
you use low power lens ×4, just for scanning the slide
3. Lower the
condenser lens
4. Turn on the light (Illuminator)
5. Observe where the tissue present
in the slide
6. By moving stage adjustment node
you place the tissue at the centre of light seeing from outside ( not adjust
this things by placing your eye at optical lens , it kill your time)
7. Now from outside your lower the
objective lens, then place your eye at optical lens and move the objective lens
upward
8. Never lower the objective lens
when your eyes are at the optical lens . if you follow this rules you never
able to break a slide
Tips
for better focusing :
1. When you use ×4 objective lens ,
condenser lens should at lower most position and diaphragm should widely open
2. When you use ×10 objective lens,
you move the condenser lens upward and diaphragm should close little bit
3. When you use ×40 objective lens,
you move the condenser lens upward and diaphragm should close little bit
4. When you use ×100 objective lens, give oil on the
slide and lower the objective lens until it touch the slide , you move the
condenser lens upward until it touch the slide and diaphragm should close
little more
5. Before
observing the slide one should use the fine adjustment knob , because vision
varies person to person
Tips for
easy handling of microscope when you observing slide by placing your eye on
optical lens
1. Sit down
2. After focusing
the slide place one hand on fine adjustment knob and another hand on the stage
adjustment knob ,
3. Only these
two location you need to handle for observing the slide
4. If you
needed to focus the slide again or needed to lower the objective lens you
should not place your eye at optical lens at that time , you must see outside
and observe until the objective lens touch the slide , than place the eyes on
optical lens and move objective lens upward
5. If the
microscope is binocular then adjust the eye pieces according to the distance of
your both eye , if the microscope is uniocular then one eye place to eye piece
and another one keep open ( don’t close one eye)
Tips for using stage adjustment knob:
In microscope you using
multiple lens , so you should remember following rules before moving
the slide
1. If you
want to move the slide upward you must move the slide downward
2. If you
want to move the slide right you must move the knob to the left and vice versa
Maintain your microscope :
- After use turn off the light
- Remove the slide
- Change the objective lens to lower power
- Lower the condenser lens
- Don’t touch the lens
- Clean lens by lens paper or lilen cloth
- Cover the microscope
- Place the microscope in a dust free location
- Use silicon in the box of microscope for lowering moistures
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