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Handheld 20 times high-definition belt light magnifying mirror for portable maintenance of jewel identification antique jade

price:USD$82.00
discount 70% in 2018-08-19 to 2018-08-21
price: USD$ 57.40
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Brand:
Day Island
Producer:
Zhejiang city of Yiwu province "Stationery Co. Ltd.
Ratio:
20 times
Lens:
Zeiss optical lens (double-sided coating)
Size:
 133*50*26MM
Net amount:
 80G
Light source:
2 LED light sources
Battery:
Use 3 Section 7 AAA battery (battery self)
Texture of material:
Acrylic bracket
Recommended retail price:
 ¥198.00
Apply to:

1. identification of emerald, coins, porcelain, bronze crying, stamps, finance, financial and tax, printing, antique, etc.

2. magnify the internal characteristics of the gemstones (inclusions) and external features (such as the acid etching of the jadeite B).

Identification of the magnifying mirror 20X21mm (Tsai's optical lens) with a handheld LED light source
Tsai's colorless coating optical lenses are used. Clear without impurity, hard, not easy to wear; not easy to damp (the fog is not easy to keep on its surface); thermal expansion coefficient is small.
[purpose]:
 
1. field inspection, family use, inspection, processing, installation and repair for various operations in the electronic industry.

Observation of 2. of the beauty industry, facial skin pores, manicure, mining ears etc..

3. the sculpture and appreciation of the art.

4. the inspection and repair of cameras, clocks and so on.

5. especially suitable for the elderly, students and so on in the light under the reading of reading instructions and other fine words.

6. identification of jade, coins, jewelry and jade, porcelain, bronzes, stamps, finance, taxation, printing, such as: the relationship between the antique calligraphy and painting paper fibers, old inkpad and paper, and rust structure bronze, silver casting authenticity, stamps, banknotes printed authenticity, antique calligraphy and painting identification of a good helper.

7. characteristics of the gem internal amplification (inclusions) and external features (such as etching reticulate B jade) such as porcelain inside the bubble and open, the internal structure of jewelry.