Reading magnifying glass is generally 2-5 times; Seal magnifying glass 7- 10 times; Jewelry appraisal magnifying glass is generally 10 times; High magnification is suitable for wood crack identification: 15, 20, 30, 40, 60 times.

Second, lighting.

Generally, there are incandescent lamps and led lamps with lights; The power supply is battery and button electronics;

Third, the reading object.

Reading chinese newspapers and magazines; This typesetting is dominated by small squares. If the elderly are in a hurry, it is recommended to use a square magnifying glass.

Fourth, use.

1. If you need to take it out, you need a thin magnifying glass. Generally, this kind of magnifying glass has a protective cover;

If you are at home, the best magnifying glass is the perforated rope behind the handle, which can be hung on your chest for easy reading and access.

There is no specific form at home.

4. If it is inconvenient to hold, some magnifying glasses with brackets can be moved by users without holding.

5. Magnifier with lamp is more suitable for reading in the case of insufficient light environment, which is more convenient.

In addition, writers and professors who work long hours should communicate with visitors if most of their work is done at their desks. Progressive multifocal glasses (reading glasses) are very functional.

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