Parameters that must be known about sunglasses

u003cbru003e1. UV logo-UV protection degree YC9703 Women's' target='_blank'>sunglasses C3 black/colorful blue UV standard means: the human eye's perception range of light is 380~780nm (that is, visible light), and ultraviolet light means that the wavelength is lower than 380nm light (invisible light). The meaning of UV380 is that it can effectively block light with a wavelength below 380nm. The UV400 standard also blocks some visible light at the same time, so some colors will be lost. 2. Sheet-plastic Ray-Ban RB4221-F men's sunglasses 6170/55 blue front ring is made of plastic sheet material for the lens frame sunglasses parameters 3. Memory-anti-deformation Ray-Ban RB8056 men's sunglasses 175/6Q tortoiseshell Refers to the anti-deformation ability of the glasses frame. 4. Polarized light-the color saturation of polarized light and polarized filter, which makes the contours of objects blurred and uncomfortable. Polarized lenses are made according to the principle of polarization of light, that is, when the vibration plane of light and the polarization axis are parallel, the polarized light filter can transmit polarized light (like the principle of blinds). Therefore, the light is arranged into the same direction light to enter the human eye, so that the surrounding scenery looks clear and unobtrusive. In addition, another outstanding advantage is that the lens is very light, very thin (thickness 0.7mm, 1.1mm) and impact resistance, so this kind of lens is very suitable for driving and outdoor activities. favorite. Related Reading: Sunglasses Polarized Sunglasses Brand
The global market was valued at odm sunglasses in oem sunglasses and is expected to reach a market value of odm sunglasses by oem sunglasses, with a CAGR of odm sunglasses during the forecast period.
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