Magnifying Glasse : What is it?
| A magnifying glass is a magnification device composed of a convex lens made of glass or acrylic, and a handle that allows the user to grip it while inspecting an object such as a stamp or a coin. It is held in varying distances to get the optimal view.
A magnifying glass has different optical powers and angular magnifications. It comes in handheld, clip on, and folding types. |
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Kinds of Magnifying Glasses include the following: |
Handheld magnifying glass
- A handheld magnifying glass has a stainless steel or plastic frame.
- It has a long handle that allows for a better grip when doing close inspections.
- It uses a diopter glass lens with a magnifying power of around 2X and above.
Clip on magnifying glasses
- Clip on magnifying glasses are made with lightweight acrylic lenses.
- They are meant to be used with prescription glasses.
- They have clips at the center of the bridges that secure the nosepieces to the prescription glasses.
- They are made with hinges that allow the user to flip them up to get normal vision.
Folding magnifying glass
- A folding magnifying glass comes in a round, compact container.
- It consists of one or several magnifying glass lenses.
- Each lens has a different magnification power that allows flexible viewing depending on the size of the object to be magnified.
- It is compact enough to fit in a shirt or pants pocket.
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Bifocal inset: To get a more detailed viewing, look for a magnifying glass with a built-in bifocal inset that brings the object to be magnified closer to your field of vision.
Hands-free viewing: For hands-free viewing and inspection of artifacts, needlework, coins, and stamps, choose magnifying glasses that you can clip onto your prescription glasses.
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