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Selecting the right magnifying glass (magnification power) for your applications
A magnifying glass (enlarger, magnifying glass) uses a lens to create a larger virtual image of an object for the viewer.
Magnifying glasses are manufactured depending on the intended use.
- Magnifying glasses with a magnification power of 2x to 3x are suitable for reading small fonts.
- Magnifying glasses with a magnification power of 5x to 7x are suitable for everyday use.
- Very small details are best viewed with a magnification power of 10 to 21 (watchmaker's loupes).
- Magnification powers from around 21 are usually achieved with the help of a microscope.
The higher the magnification power, the more complex the production of the glass becomes, as different optical deviations have to be compensated for.
However, higher magnification powers have the disadvantage of a smaller image field and a shorter working distance. With a 10x magnifying glass you can read
Small font is difficult because you have to move from letter to letter through the small image field.
You hold a magnifying glass as close to your eye as possible with one hand while adjusting the position of the object you are viewing with your other hand until the enlarged virtual image is seen clearly.
