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How many times is the jewelry magnifying glass suitable?

The appropriate magnification of a jewelry magnifying glass is generally between 10x and 20x.

When choosing the magnification of a jewelry magnifying glass, the object of observation should be considered first. For jewelry and jade, 10x to 20x magnifying glasses are generally the commonly used choices. This magnification range can observe the details of the surface of jewelry and jade, such as cracks, inclusions, etc. A 10x magnifying glass is suitable for preliminary observation, while a 20x magnifying glass is more suitable for professional identification.

Although the optical quality of a magnifying glass exceeding 10x will drop rapidly, the caliber of the magnifying glass will also change greatly, making it inconvenient to use. For example, when using a 10x magnifying glass, the distance between the object and the mirror is 25 mm; if a 20x magnifying glass is used, the distance between the object and the mirror is less than 10 mm, which is very inconvenient to observe. In addition, in the national standard, there are clear standards for the grading of some jewelry, jade, and antiques, and the conditions are all "under a 10x magnifying glass". If you use other magnifications, it is not conducive to referring to the national standard grading, and it is inaccurate in the valuation reference.

Therefore, a 10x magnifying glass is a very practical jewelry tool, and the selling price is not high, usually, only a few dozen yuan can be bought. It not only has a high field of view clarity, but is also easy to use, and is a commonly used observation tool in the jewelry industry.

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