UV-BANS Sunglasses

Search This Blog

Imparting Grace: Meet Richella

December 01, 2017

Get link
Facebook
X
Pinterest
Email
Other Apps

Get link
Facebook
X
Pinterest
Email
Other Apps

Comments

Choose the right sunglasses legs online.

when you buy a sunglasses online , maybe you will confuse about how to choose the right size of the glasses legs because you try to wear on the website. Spectacle frames are standard optical products, just like human clothes and shoes, and have their own sizes.Because the size of each person's head is quite different, the length of sunglasses legs also should be different. How to measure a glasses legs is suited you or not? That is, the legs should be just right for your ears, neither slipping nor clamping the ear. Now glasses legs are between 130mm to 150mm in general specifications, commonly 135mm-140mm. Sunglasses, for example, the legs is 135mm long in most cases., and the frames are mostly 140mm. Usually, the specifications of the glasses size are marked on the inside of the legs, the bridge of the nose or the label. Generally speaking, the sunglasses frame will be marked with examples of three data: the frame width, width of the nose(bridge width), length of the legs...

Some words about sunglasses lenses and frames.

PC space pieces( sunglasses lenses ) PC refers to the polycarbonate, is made of polycarbonate ring bendable and mobile bisphenol A polymerization. The molecular weight is between 20000 to 38000.The refractive index is 1.586 under the condition of 25 degrees in the test. The lenses made of this material are called "space pieces". PC space pieces are advanced material widely used in aerospace equipment, and now it is the world's most impact resistant lenses. PC space lens can prevent lens fragmentation harm to people, make the wear safer. It is also the thinnest lens in the world, which is easier and more comfortable to wear, and 100% anti-ultraviolet. Characteristic: 1. The world's thinnest lenses . The PC lens is 57% lighter than glass lenses, 37% lighter and 26% thinner than the traditional resin sheet. The thickness is equal to the CR-39 lens which the refractive index is 1.6. It can greatly reduce the load of the bridge, so you will really experience the...

Powered by Blogger

Imparting Grace: Meet Richella

Comments

Post a Comment