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19
2022-12
What are the materials of sunglasses
1. PC film (carbonated polyester lens): tough, not easy to break, impact resistant, specially designated lens material for sports glasses, the price is higher than acrylic lens; 2. Glass sheet: the...
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19
2022-12
What color sunglasses are good?
When you choose sunglasses, you pay more attention to the style, quality and price of the product. In fact, the choice of the color of the sunglasses is still very important. So what color is the best...
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19
2022-12
Types of sunglasses lenses?
Generally speaking, in addition to being fashionable and cool, wearing sunglasses is actually the most important function of protection. Therefore, it is very important to understand the classificatio...
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11
2022-11
Why do anti-blue light lenses reflect blue or yellow-green under the light?
The anti-blue light glasses currently on the market are generally divided into two types, one is the coated reflective anti-blue light glasses, and the other is the absorption type anti-blue light gla...
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11
2022-11
How do blue light blocking glasses work?
1. What is Blu-ray? The white light we see in daily life is not a single wavelength of light, but consists of visible light such as red, yellow, and blue. According to the spectrum, the light we...
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11
2022-11
Classification of sunglasses lenses
The types of sunglasses lenses are roughly divided into five types: anti-reflective protective lenses, colored lenses, colored lenses, polarized lenses and color-changing lenses. 1. Anti-reflective...
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11
2022-11
What are the inspection items and standards for optical lenses?
Optical lens manufacturers introduce to you that the glass initially used to make lenses is ordinary window glass or pimples on wine bottles, which are shaped like "crowns", hence the name &...
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11
2022-11
Raw materials and manufacturing process of optical lenses
Optical glass is made of high-purity silicon, boron, sodium, potassium, zinc, lead, magnesium, calcium, barium and other oxides mixed according to a specific formula, melted at high temperature in a p...
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