Flat Top SF Lens

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1
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China Mainland
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Description

Product Detail

Quick Details

Place of Origin	Danyang, Jiangsu, China (Mainland)
Brand Name	Just
Model Number	Flat top SF lens
Quality Grade	AB quality
Lens Material	Resin
Vision Effect	Multifocal
Coating	UC/HC/HMC
Coating Color	Green
Lens Color	Clear
Reflective Index	1.56
Abbe Value	34
Diameter	65/28
Gravity	1.28
Base	200,400,600
Certification	CE/FDA/ISO9001

Lens Materials

When we choose the lenses, there are always many kinds, and the basic differences among different lenses is the material, in general, the lens material could be classified into the following ones.

Hard Resin: Hard Resin is a kind of plastic, and now it is the most widely used lens in the world. Being the replacement for the mineral lens, it is lighter and stronger, and for its weakness of soft, which is susceptible to scratching, it is solved by Coating, so more comfortable to wear.

Polycarbonate: Polycarbonate is a special kind of plastic, it is accepted for some material in the aircraft like windows, so it’s easy to see that it is very strong to face the impact, and it’s the most impact-resistance lens material now. It also has the UV protection. PC lens is most used for sportswear and children.

High Index Plastic: Advanced type of Hard Resin lens, It is thinner, lighter, and pre-treated with UV protection, and performance also good in Abbe Value, which make it comfortable to wear as well as nice looking.

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About us

Jiangsu Just Optics Co., LTD. was founded in 1997. It is a professional research and development manufactory of optical resin lens. Just’s annual output of resin lenses are over 20 million pairs. The main products include index 1.56 , 1.60 and 1.67 resin lens. There are more than 150,000,000 people choosing our lenses and the customers spread all over the world, even in the Dubai shopping mall, you also can buy.