8 methoddistinguish good and bad sunglasses 8

About the market, shop, silver, prices vary sunglasses, type, style, brand, how complicated, how difficult to choose sunglasses fashion show not introduced, the Bo emphasized: the sunglasses of choice, quality priority! ! Xiao Bian today to share with you - good or bad distinguish sunglasses 8 small, very comprehensive, Plastic Sunglassesoh, by these methods, knowledge, I hope to help the visiting friends.

The first small, to identify the quality of lenses that is good or bad

Sunglasses at the light, check the sunglasses lens surface is smooth, no punch, no wear marks and bubbles. As the lens will produce dizziness and other symptoms, damage the eyes.

The second small discern sunglasses lens is deformed

Carefully compared the two lenses of the sunglasses, look at the lens warpage, then sunglasses to get 45 cm away from the eyes, through the glasses observed around the vertical and horizontal Metal Sunglasseslines, and then move around the glasses up and down, such as lines distort or swing, indicating the sunglasses lens distortion, myopic lenses can also choose so.

The third small discern sunglasses frames good or bad

First, metal sunglasses frames, look at the welding point for cracks, whether the firm; available fingernails, watching paint will not scratch; carefully observe its surface with or without plastic sheet materials sunglasses frames, particles, scratches, whether rough.

Fourth small way, to identify whether the sunglasses 100% UV protection, that is, UV400

In the case of no instrument detection UV sunglasses, first take aMetal aviator sunglasses one hundred yuan, sunglasses lens on the watermark detector pen or money detector lens on the front of the watermark irradiation can also see the watermark on the site is not UV sunglasses; if you can not see this sunglasses UV.

The fifth small, is distinguished sunglasses polarized sunglasses

The easiest way, a liquid crystal display cell phone, viewed through polarized sunglasses LCD screen, rotating LCD screen at the same time, to see the LCD screen becomes a black screen with rotation, which is issued because the polarized lenses filter screen in one direction due to light, then congratulations to you, is the real polarized sunglasses. Of course, with a large LCD display on the more effective.

Sixth small details distinguish sunglasses good or bad

First observed the stipules are symmetrical on both sides of the sunglasses frames; Second, observe whether the formation of two temples, the frame flat on a table, look at the contact point of vacant, if there is one side higher than the case, To require professionals sunglasses leg to be adjusted to achieve the effect of left-right balance vertically symmetrical; Third, open co-mirror legs, feel flexible. Is generally believed that the tighter, the better view is wrong, as lubrication of the screw is not enough, likely to cause the mirror leg injury, not good too loose screws are not tightened due to tightness moderate best.

The seventh small, distinguished sunglasses good or bad tag

Accommodate a considerable number of small tag of genuine sunglasses sunglasses good or bad information. Sunglasses glasses Origin tag QS logo sunglasses through the quality certification logo. 3.UV index information, UV index UV filter effect, the best UV400, UV380 slightly worse. Sunglasses lenses and frames material.

Eighth small, good or bad distinguish sunglasses glasses legs small text

First of all, the regular manufacturers of sunglasses frames, in addition to the printing on the number, specifications, dimensions, printed with grades (English or Pinyin).

Trademark registration frames printed on the "R" word, Grade B or third-class products, Aviator sunglasses 2012the frame is printed "2" or "3" openly tell consumers this is not a genuine, protect the reputation of manufacturers and products.

Again, made of pure titanium glasses frames, depending on the type of titanium parts, abbreviated form engraved on the frame, feet in the mirror, the details are as follows:

Titanium for Frame + Frame Titan-P or Ti-P PURE TITANIUM
Titanium frame Front-Titan-P or F-Ti-P
Pure titanium is used to mirror foot Temple-Titan-P or T-Ti-P Titanium alloy is used for the frame + Frame Titan-C or Ti-C
Titanium alloy is used for frame Front-Titan-C or F-Ti-C
Titanium alloy is used for the mirror foot Temple-Titan-C or T-Ti-C