The Uses and Mechanism of A Microscope

 The uses of a microscope are very significant in scientific studies and in other fields. A microscope is used to view things that are too tiny to be seen by the naked eye or to blow up the visual size of an item. A microscope lab may be found in a police precinct, a forensic lab or a school laboratory.

Uses of a Microscope

The list below details the uses of a microscope in various fields and how one is used:

  • Used In Biological Research: A microscope can be used in biological research to investigate the structure of plants and animals. Plants and animals are usually made up tissues, which in turn are made up of cells. The cells are tiny components that cannot be seen by the human eye.

different uses of a microscope

  • Used In Physics: Microscopes are used in physics to view atoms. Atoms are the smallest known elements that make up all physical matter. An atom and the electrons and protons that make it up can only be viewed by an electron microscope.

  • Used In Forensics: One of the more significant uses of a microscope is in examining forensics and ballistics evidence. Microscopes can be used to assess the structure of microscopic evidence such as very tiny bits of hair left at the scenes of crime. A simple analysis in a microscope lab can be used to put criminals behind bars.

The uses of a microscope will depend on the type of microscope being used. A microscope lab can contain electron microscopes, fluorescent microscopes and light microscopes. Nonetheless, the basic functioning of a microscope is the same across the board.

Mechanism of a Microscope

different types of microscope lab

The microscope functions by use of lenses to expand the specimen under it. The basic technology is the use of lenses to magnify the object. Artificial or natural light is used to aid in the magnification. The light source ought to be very bright in order to aid the visualization.

The microscope generally consists of the following sections:

  • The Eyepiece: The eyepiece is the lens through which you look in order to view. It is located at the top of a microscope. The lens may blow up the object to a scale of around five times.

  • The Objective Lenses: To aid in the uses of a microscope, the objective lenses are fitted. The objective lenses are of medium, small and large magnification.

  • The Stage: The stage is where the object or the specimen that you are looking at is placed. In a microscope lab, you will find that a slide holding the specimen is placed on the stage. The slide is usually a small thin slab made of glass.

  • The Focus: The Focus can be altered to be more refined so as to produce better and clearer images. The focus is altered using a set of knobs known as the fine focus knob and the coarse focus knob. In the case of electronic microscopes this is done by the use of computer software.

With advances in technology, the uses of microscopes can only be more and more advanced.

The Different Parts of a Microscope

A microscope is an optical instrument used to look at objects that cannot be seen by the naked human eye. From its invention, the microscope has had many uses that include tissue examinations and forensic examination. It is because of its many uses that the microscope is a permanent fixture in most kinds of labs whether medical or scientific. To understand the uses of the microscope, a person needs to know all the different parts of the microscope.

Types of a Microscope

There are numerous types of microscopes in the market that include. The oldest type of microscope, which is the optical microscope, uses light to generate and view specimen, and the electron microscope that uses electrons for specimen illumination. The following are parts of a microscope.

different parts of a microscope

Parts of the Optical Microscope

One has to start from the basics to be able to understand the various parts of a microscope. Understanding the parts of the optical microscope and its microscope lab activities can help know how the other microscopes work.

  • Eyepiece Lens: It has a magnifying lens, which helps focuses the image from the specimen to the eye. The power of the magnifying glass could have the power of ten or fifteen. Higher magnification helps view smaller specimen.

  • Tube: This part of the microscope helps connect the top parts of the microscope, which are the objective lens and the eyepiece.

  • Adjust Knobs: These parts of the microscope include the coarse adjust and the fine adjust. The coarse adjust helps focus on specimen with low magnification. The fine adjust helps focus on specimen under either high or low magnification. This fine knob is placed lower than the coarse adjust.

  • Objective Lens: This can either have three or four lens. These lenses include the low power objective used to look at large specimen and also to get an overview of the specimen. The second most important objective lens is the high power objective part of the microscope, which gives you a much detailed view of any small specimen. The objective lenses are usually attached to the revolving turret or nosepiece.

  • Rack Stop: This helps adjust the closeness of the objective lenses to the specimen.

  • Glass Slide: The glass slide is another one of the important parts of a microscope since the glass slide helps hold the specimen. The glass slide is generally supported by the stage.

cost effective microscope lab

  • Condenser Lens: The condenser lens focuses the light onto the specimen.

  • Iris or Diaphragm: The iris or the diaphragm regulates and contrasts the amount of light on the specimen.

  • Light Source: Another part of the microscope is the light source that helps illuminate the specimen for proper viewing. The illuminator acts like the microscope mirror and reflects light from external sources.

  • Microscope Arm: The microscope arm supports the upper part of the microscope that includes the tube. The arm also helps connect the top part of the microscope to the base of the microscope.

  • Base: The base helps to support all the other parts of the microscope.

Microscopes are a big help in our fight against diseases as well as the development of science. This is why it is important to be familiar with the parts of a microscope.

Guide in Buying Microscopes for Sale

Microscope shopping is not easy. You need to think of a lot of things and analyze various aspects before even stepping out of your house. Prior planning is a must especially when you are dealing with microscopes. Because of the wide range of microscopes available, purchasing can be an arduous task. You should spend some time with this, carrying out a thorough research so that you get the best microscopes for sale.

Shopping Tips

  • To start off, you should be aware of the different kinds of microscopes. There are beginner’s microscopes, basic microscopes, simple microscopes, compound microscopes and so many other variations. Base you’re your decision on the main purpose in buying your microscope.

different types of microscopes for sale

  • Once you know what you want, be sure to visit a microscope lab that has quality microscopes. Any carelessness in making your purchase could lead you to buying an inappropriate microscope that doesn’t give you proper magnification.

  • You can find microscopes for sale in various places both over the internet and through local specialty stores. There are antique microscopes for sale, electron microscopes for sale and even used microscopes for sale today. You don’t need to restrict yourself if you’re on a tight budget. Sales usually lower prices significantly but if you want to cut costs even more, you could look for used microscopes. These microscopes for sale can easily be found on sites such as eBay and Amazon. Electron microscopes are expensive and you need to have a flexible budget.


  • The local university is also a good place to look for microscopes for sale. These are usually used ones and the prices are lower.

  • While making your purchase, look for interchangeable eyepiece lenses, glass optics and a monocular head to make usage easier for you. You could even find microscopes for sale with adaptable arms that let you adjust the device based on your convenience. You could also get an electric illuminator so that you control the light.

  • If you want microscopes for sale for professional use, you should look for something more sophisticated and high quality. You could also go for add-ons for even better magnification.

What you purchase depends on your needs and where you purchase from depends on your budget. You have a lot of options to explore and choose from. So make sure you pick after thorough analyzing and thought.

The Different Types of Microscopes

Microscopes are inventions that have opened the world of microbes and minuscule objects which paved the way for the discovery of causative agents of numerous deadly diseases. Microscopes are indeed one of the biggest and most revolutionary inventions until now. A microscope is a device that has the ability to magnify an object. Objects are magnified hundred fold, thousand fold and so on so that they can be seen with the naked eye with ease. Different types of microscopes are highly useful in biological labs to study cells, tissues, bacteria and other microorganisms.

Depending on the principle of how they work, there are various types of microscopes available. The magnifying power varies and the functioning differs from one microscope to the other. Here is a broad classification of the various types of microscopes and their uses:

different types of microscopes

Types of Microscopes

There are simple microscopes and compound microscopes in the basic classification where simple microscopes have only one lens and are used to magnify fairly larger objects while compound microscopes have two lenses and have greater magnifying power. Simple microscopes are also known as dissecting microscopes because they are used for dissections.

Microscopes are again divided into light microscopes and electron microscopes depending on the source used for magnification.

Light Microscopes

Light microscopes utilize light for illumination and may be of various types again.

  • Bright field microscopes

  • Fluorescent microscopes

  • Dark field microscopes

  • Phase contrast microscopes

Their usage varies and adjustments may be done accordingly. Bright field microscopes are the most common microscopes used in labs. Fluorescent microscopes use fluorescent light. Phase contrast on the other hand are types of microscopes that make the magnified image of the object visible through a sharp contrast and dark field microscopes illuminate the background instead of the image itself.

different types of light microscopes

Electron Microscopes

These are more sensitive and have a larger magnifying power than light microscopes. These microscopes do not use light but electrons and thus need to be handled with a lot of care. They are classified into:

  • Scanning electron microscopes

  • Transmission electron microscope

The latter uses a single beam of light and magnifies even the smallest details of cells. The SEM provides a three dimensional image and the accuracy is the biggest advantage of electron microscopes. There are more numerous variations on the types of microscopes such as the tunnelling microscope which also uses electrons. This is again a very sensitive microscope that uses high-end technology.

Depending on the requirement and purpose of the microscope lab, you can choose from the wide array of microscopes available. Whether you are a hobbyist or a professional, it is important for you to buy the right brand and to check everything before purchase so that you don’t end up buying the wrong type of microscopes. Cheap microscopes will not give you the accurate magnification and your experiments can go wrong. 

Microscope Lab: Magnifying Minute Particles

A microscope laboratory or microscope lab teaches about the microscope in a school setting. The microscope is an instrument that is used in many fields. It helps to study small minute objects by enlarging them. The most common microscopes used are compound microscopes. They have two lenses to help enlarge the object that you view through them. The objective of a microscope lab is to teach about the microscope and how to use it.

Composition of a Microscope Lab Activity

  • Different Parts of the Microscope

  • How to Use the Microscope in Different Power Settings

  • How to Prepare Slides for Viewing Under the Microscope

  • Compare the 2 Types of Microscope

best microscope lab

Not only do you learn how to use this instrument and its various parts and their functions but you also learn how to handle the instrument during this laboratory activity. Though you get to learn about the microscope in a microscope lab, there may be times when you do not get enough time with the instrument to be able to understand everything that is being taught. With the internet also being a tool of learning, there are sites on the web which are dedicated to online microscope lab. Here you will find information that you may have been unable to pick up when learning about the microscope in school.

best cool virtual microscope lab

There is also a virtual microscope lab on the internet where you can get to see images of different specimens as you would see them under the microscope. These labs are very informative and give information and visuals that you may not be able to see because of constraints of cost and time. Though these labs are not a substitute for the real hands on experience, they do let you get familiarized with the microscope and prepare you for the actual use.

The Compound Microscope

  • Compound microscopes are used in many fields where there is a need for high magnification of very small subjects. Though more often you will find the microscope being used in various laboratories like biology, botany, geology, genetics and many more.

microscope lab research activity

  • This microscope is also used in forensics and by scientists in studying minute details of samples. It plays an important role in helping law enforcement technicians study evidence and help them catch the criminals.

  • In today’s world, microscopes play an important part not only as educational tools in schools and colleges but as instruments that have helped develop the scientific field through many discoveries found in the tiny samples that they help magnify.

best online microscope lab

Microscope lab is a useful learning tool where the students get to actually handle the microscope and learn how to use it. Without the microscope lab, it would be difficult to use a microscope in higher learning and you would have to first learn the microscope before using it for examining specimens. A microscope lab not only teaches students how the microscope works and how it has to be used, but you are also taught how to handle the instrument so that you do not damage it or break it while using it. So be sure that you pay attention during your laboratory activitie because you might need the use of a micsoscope someday.