The discrimination method of the simple polarized sunglasses

Now there are many branded products under the signboard of polarized sunglasses, but we can't identify whether sunglasses polarized soon, especially for driving people to have a pair of polarized sunglasses are more important. Small make up to teach you a few action and quickly identify polarized sunglasses! Sunglasses factory YC9702 general sunglasses C1 black box white leg/lens dazzle colour silver 1, a simple method: two polarizing lenses stacked vertically, the lens will not pervious to light. Reason: polarizer lens special design of parallel light through the lens, when the two lenses stacked vertically, most of the light is blocked. Everybody when buy, as long as such a simple operation, can immediately know the authenticity of a product and the good or bad. Level 2, using liquid crystal display: the glasses on the screen, the lens does not change at this moment, and then clockwise the glasses up to 45 ° Angle, see the lens color is darker, then turn back to normal again, this is polarized lens, if there is no change, no matter how the rotation is not polarized. 3, using a mobile phone to distinguish polarized sunglasses: as long as the glasses level to the phone's screen, the lens does not change at this moment, and then clockwise the glasses up to 45 ° Angle, see the lens color is darker, then turn back to normal again, this is polarized lens. If no change no matter how, this pair of glasses are not polarized. It is important to note that there are special features of polarizer, polarization test, can not obvious, such as night driving glasses ( Polarizer) 。 Sunglasses factory YC9705 general sunglasses C5 hawksbill/dark brown actually using a mobile phone screen and LCD screen is the same reason, because polarized sunglasses are made according to the principle of polarization of the light, to effectively eliminate and filter out the scattering light beam, can make the light on the right track of a visual image through optical axis in the eyes, make the vision clear. The light emitted by the phone's screen, also along a specific direction. Will be polarized sunglasses lens on the relatively bright screen, sunglasses with Angle transformation, the change of light and shade, namely as the perspective transformation, sometimes mobile phone through light, sometimes is to filter, appear gradually phenomenon, but ordinary sunglasses. So what is the difference between ordinary sunglasses and polarized sunglasses? Want to know the answer to poke link ~ polarizer and sunglasses.
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