Difference between Simple and Compound Microscope
S. No |
Simple Microscope |
Compound or Light Microscope |
1 |
Invented and designed by Anton
Van Leeuwenhoek in 1670. |
Designed by Hans and Zacharias
Janssen in 1950. |
2 |
Uses One lens (Ocular lens) to
magnify objects. |
Uses Two lenses to magnify
objects (Ocular lens and an Objective lens). |
3 |
Structure - Stand is small,
hollow cylindrical attached to the base and is used to hold the microscope. |
Structure - Arm is curved and
is used to hold the microscope. |
4 |
Contains single eye piece |
Contains single eye piece or
double eye piece. |
5 |
Light source is natural |
Light source is Natural and
sometimes Illuminator is a source of light |
6 |
Mirror is Concave - Reflecting type. |
Mirror is plane at one side and
Concave at other side. |
7 |
Condenser lens is absent. |
Condenser lens is present which
is used to adjust the intensity of light for magnification of object. |
8 |
Total magnification is limited
to the magnification of the single lens used. |
Total magnification is the
multiplication of the eyepiece and objective magnifications, hence a Higher magnification. |
9 |
Magnification power is up to
300 X |
Magnification power is up to
2000 X |
10 |
Adjustment of Magnification is
not available. |
Adjustment of Magnification
is available. |
11 |
Has only one adjustment screw
that is used to move the limb up and down for focusing an object. |
Has Coarse adjustment screw
(for rapid focusing an object) and Fine adjustment screw (for fine and sharp
focusing). |
12 |
Can only be used in simple ways
such as enlarging small letters while reading. |
Has a wide range of use such as
in studying the structure of different objects, e.g. details of cells in
living organisms. |
Clear notes
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