How to draw a Compound of Microscope step by step|| Microscope drawing easy|| Diagram of microscope
A microscope is an instrument that is used to magnifying small objects.
Some microscope can even be used to observe an object at cellular level,allowing scientist to see the shape of a cell, its nucleus, mitrochondria and other organelles.
Primary function of a microscope is to study biological specimens. A microscope solely functions on two concept - magnification and resolution.
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Father of microscope
Antony van leeuwenhoek
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Parts of the compound light microscope
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1 : Ocular lens/ Eyepiece
Contains a lens to magnify the image of the specimen.The usual magnification is 10 x.
2 : Body tube
It connects the eye piece to the objective lenses.It ensures the correct alignment of the microscope components to correctly direct the light from the specimen into the viewers eye.
3 : Arm
It connects the body tube to the base. One hand should be around the arm when carrying the microscope (other should be under the base).
4 : Base
It supports the weight of the microscope. It contains the electronic and light source. one hand should be under the base while carrying the microscope the other hand should be holding the arm.
5 : light source or illuminator
It sends the light upwards through the condenser lens and through the hole in the stage on to the specimen on the slide. Older microscope used to use mirrors to reflect the ambient light upwords.
6 : Revolving or Rotating Nose piece
The objective lenses are attached to it. Rotating the nose piece allows you to switch between the different lenses.
7 : Objective lenses :
These lenses further magnify the image of the specimen. The magnifications are usually 4x,10x and 40 X. There are usually 3 lenses but some have 4 lenses.As the power increases the magnification becomes larger but a fixed a view (visible area) becomes smaller.
8 : Coarse adjustment knob
The first nobe you should use and always under low power. Never use it in high power.
9 : Fine adjustment knob
The second knob you should use under higher power for exact focusing. Both knobs move the stage up and down to help put the specimen in focus. Some microscope have the two knob located one on top of the other. The smaller one on the bottom is always the fine adjustment knob.
10 : Stage
The stage is where you place the slide which contains the specimen. It contains a hole that allows light to pass through the stage and on to the specimen.
11 : Stage clips
The stage clips secure the slide on the stage.
12 : Condenser lens
The lens under the stage that focuses light from the illuminator through to the hole in the stage.
13 : Diaphragm
It contains dial that rotates to adjust the amount of light that reaches the specimen.
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