Take an umbrella sunglasses how to identify good or bad

Take umbrella sunglass is an American brand, its logo is a colorful umbrella, as the sign, it's sunglasses products are novel design, different colors. Now, take your umbrella sunglass is also very famous in the world, so what should we identify it good or bad? Take umbrella lens can effectively filter out clutter reflection, improve vision clarity and comfort, at the same time, the lens color rich layers, color bright, meet the demand of women's fashion. Take an umbrella sunglasses have core technologies and rich color level 1 lens colour rich layers, color bright, meet the demand of women's fashion. 2, multi-layer reflective film lens concave increase plating decreases reflective film, effectively avoid the lens of concave some reflect light interference on the line of sight, to view more clearly. 3, oil pollution prevention film make lens surface more smooth, more scratch resistant, not easy with dust, fingerprints, long-term to maintain clear lenses. Sunglasses factory ms YC9702 sunglasses C3 black/lens dazzle colour blue how to distinguish the sun glasses is good or bad, first choose and buy sunglasses first to check the quality of the lens, lens surface lubrication, warping, grinding crack, bubble, lens warp will cause the line of sight, uneven or trace, bubble, can cause discomfort such as dizziness. At the same time, the lens can't be too thin, not high temperature deformation of the same can also cause dizziness. Second, when choosing sunglasses can be get 45 centimeters from the eye, through the glasses investigation around the vertical and horizontal line, such as frame window or door frame, etc. , then glasses from top to bottom and move around, such as linear distortion or swing, indicated that the lens distortion, unfavorable procurement. Finally, the lens color to also want to consider. Should have enough depth, dark grey is beautiful, dark brown and black, blue and purple is poor, the two lenses will be through more ultraviolet ray, yellow, orange and light red as far as possible need not.
related: sunglasses, face the sun glasses