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Showing posts with the label eyewear lenses

The Manufacturing of Horn Glasses Is a Perfect Combination of Traditional and Modern

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Each pair of glasses needs to go through more than 200 processes and takes 20 to 30 days. It is a handicraft and a collection, so the manufacturing of ox horn glasses is a perfect combination of traditional handwork and modern precision processing. The manufacturing of horn glasses is a perfect combination of traditional handicrafts and modern precision processing. The manufacturing of horn glasses does integrate traditional handicrafts and modern precision processing technology. This process not only retains the essence of traditional craftsmanship, but also improves the precision and quality of the products with the help of modern technology. This article describes the manufacturing of horn glasses from the perspective of a glasses manufacturer . To make high-quality horn frame glasses, the first thing is to choose the horn material. Adult buffalo horns are selected. Most of these horns come from Asia and Africa, such as Tibet, India, Africa, etc. in China. The horns in these place...

Polarized lenses

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Polarized lenses are one of the most used lenses in middle and high-end eyewear. The common ones are CR-39 Polarized lenses and TAC Polarized lenses, while nylon and PC Polarized lenses are relatively rare. Here we mainly introduce CR39 Polarized lenses. It is sandwiched between two CR-39 lenses with a thin poly film. Its function is to filter out the reflected light at some angles, which is especially suitable for drivin and fishing, or to reduce some light when traveling outdoors. CR39 Polarized lenses are suitable for fishing Feature of Polarized lenses. CR-39 Polarized lenses has the feature of good light transmittance, high hardness, not fragile, moderate weight (similar to CR-39 Sunlens), and is the most used Polarized lenses in middle and high-end polarized eyewear, Especially acetate sunglasses, metal sunglasses and buffalo horn eyewear. Craft of Polarized lenses. First make two pieces of CR-39 lens with the same curvature, and then use the machine to sandwich the poly film in ...

what are pc lenses in eyewear?

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PC lenses are polycarbonate lenses. Since the main material of this lens is polycarbonate, this material is widely used in the eyewear industry. This kind of lens looks very thin and light in weight, so most people call it a space lens, so that the characteristics of the material can be described more vividly. We know that most high-end eyewear, such as acetate eyewear , metal eyewear, titanium eyewear and horn eyewear , use CR39 lenses or nylon lenses. What frames materials will PC lenses be used for and what are their features? Thin and light, also called space lens Feature of PC lenses 1: PC lens is also a resin material, but its weight is very light, 37% lighter than common resin lenses, which can relieve the pressure of the lens on the bridge of the nose. And the lens is very thin.  Feature of PC lenses 2: Good impact resistance. Everyone is familiar with resin lenses, which have better impact resistance, but the impact resistance of PC lenses is far greater than that of resi...

what are nylon lenses?

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The nylon lenses is made of nylon material, which is a transparent polyamide, which breaks the regularity of molecules by introducing side groups into the molecular chain and inhibits the formation of crystals, thereby obtaining transparent polyamide. Nylon lenses are widely used in eyewear of various materials because of their good light transmittance and strong toughness, including acetate eyewear, metal eyewear and titanium eyewear , especially half-frame, rimless and eyewear with less regular lens shapes. Nylon lenses for rimless eyewear Features of nylon lenses. The main features of nylon lenses are good toughness, strong impact performance And good transparency (slightly worse than CR39). The main disadvantage is that the wear resistance is worse than CR39, and the production cost is higher than CR39. It is one of the most commonly used sunglasses lenses. The craft of nylon lenses. Customize the mold according to the size, thickness, and curvature of the lens, and then use nylon ...

Introduction of CR39 sunglasses lenses

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What is CR39 sunglasses lenses?The CR39 resin lens material is a thermosetting resin. The mold is opened first, and then it is manufactured by compression casting.  which was developed by the Columbia Research Institute of PPG Company in 1942, so it is called "Columbia resin". CR39 lens is one of the most used lenses.At present, most of the resin lenses  for correcting vision and sunglasses are made of CR39 resin material,CR39 sunglasses lenses are currently one of the most widely used lenses, widely used in various types of frames, especially mid-to-high-end acetate sunglasses and metal sunglasses.  CR39 sunglasses lenses for acetate sunglasses Features of CR39 sunglasses lenses. Among the most commonly used lenses of CR39, nylon, and PC, CR39 has the characteristics of good light transmittance, high hardness, not fragile, moderate weight, and rich colors. It is one of the lens types that many consumers love and is widely used. Now popular acetate sunglasses, metal sung...

Types of eyewear lenses

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Lenses are one of the most important parts of eyewear. If they are types by function, which eyewear lenses are there? This article mainly introduces what kind of eyewear lenses by the function. There are Sunlens, optical lenses, reading lenses, Demo lens, poly Sunlens, etc. Types of eyewear lenses 1: Sunlens. Sunlens are mainly used on various kinds of sunglasses, including acetate sunglasses, metal sunglasses, etc. Sunlens are based on white lenses, which are colored through a special process, or a layer of film is added on the surface. Generally there are single color and progressive color lenses. The function of each color lens is also different. For details, please refer to our " What are the functions of sunglasses " page. Sunlens are mainly used in sunglasses with different materials and functions, such as acetate sunglasses, metal sunglasses, horn sunglasses, etc. Types of eyewear lenses 2: Optical lenses. Optical lenses are mainly spectacles with degrees. Nowadays,Wi...