Home EDUCATION Top 7 Uses Of Concave Lens: Difference Between Concave And Convex Lens

Top 7 Uses Of Concave Lens: Difference Between Concave And Convex Lens

by Antra Kamble
uses of concave lens

Do you know what are the uses of concave lens? If not, you have arrived at the right place! Concave lenses are also called negative lenses or diverging lenses. These lenses are broadly used in everyday life. Today I will introduce the most common uses of concave lens in my guide. Many people often get confused between a concave lens and a convex lens. Do not worry, I have discussed some important factors that will help you to differentiate between them. Let us now learn some brilliant uses of concave lens in detail.

Uses Of Concave Lens

In my article, I have picked the top 7 common uses of concave lens in our daily life.

  1. In Glasses
  2. In Lasers
  3. In Cameras
  4. In Flashlights
  5. In Peepholes
  6. In Binoculars And Telescope
  7. In Mirrors

Top 7 Uses Of Concave Lens

Now it’s time to talk about the uses of concave lenses in detail.

  • Uses Of Concave Lens In Glasses

One of the most popular uses of concave lens is used to correct myopia which is also called near-sightedness. In this case, a nearsighted eyeball is too long, and the image of a far-away object falls short of the retina. Many opticians use a concave lens to correct nearsightedness. Concave lenses are used in glasses to correct this shortfall by spreading out the light before it reaches your eye. Thus, a concave lens used in glasses enables you to see distant objects more clearly.

  • Uses Of Concave Lens In Lasers

We know that various types of medical equipment, scanners, DVDs, and CD players use laser beams. As these laser beams are highly focused, they get dispersed so that the equipment works properly. The concave lens in lasers can widen a laser beam to sharply access a specific area.

  • Uses Of Concave Lens In Cameras

You must be surprised to know that there are many uses of concave lens found in manufacturing cameras. Generally, they use combinations of a concave and convex lens. This combination helps to improve the quality of photographs. When only the convex lens is used as a primary lens of a camera, it causes distortions. By combining both concave and convex lenses eliminate unwanted distortions.

  • Uses of Concave Lens In Flashlights

You may find many uses of concave lens in our everyday objects. These lenses are mostly used in flashlights to magnify the light produced by the bulb. When the light falls on the concave side of the lens, the rays diverge on the other side. This helps in increasing the apparent radius of the light source by providing a wider beam.

  • Uses Of Concave Lens In Peepholes

Small security devices such as peepholes provide a panoramic view of outside objects. This view is created by using one or more concave lenses inside this device. This helps to minimize the proportions of specific objects by giving a wider overview of an entire area. Thus, uses of concave lens play a vital role in terms of safety too!

  • Uses Of Concave Lens In Binoculars And Telescope

The concave lens is widely used in binocular and telescopes. Earlier both of them use a convex lens to magnify the objects and make them appear closer. But a convex lens creates a lot of distortions and blur images. In this case, manufacturers installed a concave lens in this equipment. A concave lens helps you to focus on the images more clearly for the viewer.

  • Uses Of Concave Lens In Mirrors

Concave lenses are used in objects such as shaving mirrors and reflectors in vehicles. Sometimes, huge concave mirrors are used to focus sunlight to produce heat in solar furnaces. Even dentists use concave mirrors to view the back of the tooth. Many ENT doctors use them for examining the internal parts of the ear, nose, and throat.

Difference Between Concave And Convex Lens

Let us check out the difference between concave and convex lens.

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FAQ

What Are The Uses Of Concave Lens And Convex Lens?

Concave lenses and convex lenses are widely used in glasses. If you have myopia, you can use a concave lens to shift the focus of your eye backward. If you have hypermetropia, you can use a convex lens to bring the focus closer.

What Are Some Uses Of Concave Lens?

Below I have listed down some common uses of concave lens.

  1. In Glasses
  2. In Lasers
  3. In Cameras
  4. In Flashlights
  5. In Peepholes
  6. In Binoculars And Telescope
  7. In Mirrors

What Are The Five Uses Of A Convex Lens?

The five uses of a convex lens are as follows.

  1. Magnifying glasses
  2. Eyeglasses
  3. Cameras
  4. Microscopes
  5. Projectors

What Are The Three Uses Of A Convex Lens?

The three uses of a convex lens are as follows.

  • They are used in microscopes and magnifying glasses to converge the incoming light rays.
  • A convex lens is most commonly used in cameras.
  • You can use a convex lens for the correction of hypermetropia.

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Conclusion

You may find numerous examples and uses of concave lens in various applications. Usually, concave lenses are used to diverge the incident rays. This helps to create the virtual image on the opposite side of the refracting surface. Hence, these lenses are popularly used in binoculars, telescopes, cameras, flashlights, and eyeglasses. By using convex lenses, you will notice that the images are erect and upright, unlike the real images. People suffering from myopia can use concave lens glasses to clearly see the images of faraway objects. Thus, I have discussed all the possible uses of concave lens you must know.

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