Tea is recognized as the best lens color in sunglasses products. It absorbs almost 100% of ultraviolet and infrared radiation; and soft tones make vision comfortable, so that the eyes are not easy to fatigue.
Polycarbonate: PC material, specific gravity 1.2, non-flammable, odorless non-toxic resin, in line with FDA and the United States Drug Administration regulations, its characteristics with PC lenses....
Discoloration function: add silver halide chemicals to the lenses, so that the original transparent colorless lenses, when exposed to strong light will become colored lenses....
Polarized sunglasses are a kind of sunglasses. Polarized light can be divided into three types: linear polarization, elliptical polarization and circularly polarized light. Generally called polarized light refers to linear polarized light, also known as plane polarized light. The vibration of this kind of light wave is fixed and unchanged along a specific direction, and its propagation path in space is sinusoidal curve, and its projection is a straight line on the plane perpendicular to the prop...
Because the images of the left and right eyes are taken from different angles during the production of the film, we can see images that are not overlapping or blurred on the screen. When we put on our 3D glasses, something magical happened, the image became clear, and there was a 3D effect....
Elementary school students and younger children should not watch 3D movies with cinema 3D glasses. Their stereopsis is not yet well developed, the adjustment function is not as good as adults, watching 3D movies, more likely to form eye fatigue, long-term watching, for the development of children's vision has a great impact....
The special effect of driver's glasses (driving glasses) is to effectively eliminate and filter the scattered light in the beam. So that the light can be used in the optical axis of the normal eye to put into the visual image of the eye, so that the field of vision is clear and natural....
Many people buy polarized sunglasses, there will be a question, what is the principle of making polarized sunglasses? The following is the introduction of Zhejiang Kaixin Photoelectric Technology Co., Ltd. (Heel)....
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