Revo Coating & AR Coating

The technology developed by NASA was originally designed to provide high-contrast line-of-sight for visor lenses on spacesuits. Revo Coating uses environmentally friendly materials for multi-layer vacuum electroplating coatings to cause various inorganic refractory materials with different refractive indexes to interfere with each other. The structure of visible light wavelength is designed to block specific wavelengths, provide good function of glasses protection and use the principle of night vision goggles in order to see the same field of view during the day or night; at the same time, the Revo coating also provides anti-scratch and anti-splashing functions.


Different colors of Revo Coating also have their own suitable environment


  1. Blue Revo

High refraction of blue light, reduce the interference of some blue light on the sight, increase the contrast of blue. To help identify the depth of the water, such as understanding the changes in water depth and water flow during water sports, allowing users easily find danger underwater, can respond immediately. If it is used in cycling, under the blue sky and white clouds, it can reduce the scattered light and glare caused by short-wave blue light, and the vision is relatively clear.


  1. Green Revo

It is suitable for high-altitude mountaineering activities or off-road activities. It can effectively block high ultraviolet rays, improve the color of mountain shapes, terrain and trees, increase its recognition, and help increase visual sensitivity and clarity. Even if the environment changes quickly, it still maintains the correct color.


  1. Red Revo

Revo red coating helps to improve the visual contrast, especially in clay courts, runways and open cross-country races. It can quickly distinguish the location, route and different terrain and geological changes of objects during movement.


  1. Yellow Revo

Revo yellow lens can reflect yellow light, increase the color depth of the green environment, deepen the sense of layering, and make the visual experience more soft and comfortable. It is most suitable for golf, wear yellow Revo lens on the vast turf, can accurately judge the degree of turf undulation makes it possible to make the best batting strategy.


  1. Orange coating

In the sunny morning or dusk, it can effectively reduce the impact of glare, correct and balance the color temperature, so that the environment you see is the correct color, and enhance the resolution of different colors.


  1. Gold Revo

The very attractive Gold Revo allows only 14% of the light and maintains balance in the entire visual range to obtain excellent overall color performance under bright conditions, which is quite suitable for daily life or driving.


Most of Revo Coatings include AR coating (anti-reflective coating), Anti-Scratch, Antistatic and Anti-Oil & water (oil-resistant and waterproof) functions. Among them, AR Coating is relatively new to everyone. Due to the concept of light reflection, any object has a refractive index of light. For example, light from air to glass lenses is an object from refractive index 1 to refractive index 1.5, and the higher refraction rate different on both sides, the more reflection. When the reflected light decreases, the transmitted light becomes more, thus increasing the contrast of the objects. There are two common anti-reflective films. One is to suppress the visible light spectrum to the lowest point, and the lowest point is at 510nm in the center of the spectrum, so it is reflected into a residual blue-red mixed color, that is color magenta. Another one is the blue-red color on both sides is depressed, while the green color remains.

On the Revo Coating, a layer of anti-reflection film is added to make the original Revo color add another color, which is caused by reflected light. That is not the extra reflected light, but the remaining reflected light. For example: the original reflected light is originally 300nm ~ 750nm, but because most of the light below 500nm and above 600 can pass through smoothly, after the remaining 500nm~ 600nm light is reflected, we will see the green again on the film surface. Lenses of the same color will reflect different colors due to different angles of light, but these films usually cannot be perfectly anti-reflective, and almost all of them will have light of a specific frequency band that is not anti-reflective. The thickness of the dielectric film determines the wavelength of reflected light. The refractive index of general glass is 1.5, and the direct light penetration has a reflectance of 4%. Let's make a glass with different thicknesses (70nm / 90nm / 120nm), to see how does each wavelength and reflectance change (Figure 1). When the thickness is 70nm, the long-wavelength(red light) reflection will become stronger, and the short-wavelength(blue-violet light) reflection will approach zero; while when the thickness is 90nm, the overall curve will shift to the right, and the long-wavelength(red light) reflection will become weakened, the short-wave (blue-violet light) became stronger, but the overall reflectance decreased, and the color of the film began to change to dark magenta; at 120nm, the curve moved to the longer wavelength direction, and the reflection of the long-wavelength (red light) is almost zero, the short-wave (blue-violet light) is very strong, so the color presented is blue-violet.

Reflection light curve


A lens with better quality will be coated with an AR coating on the inside and outside of the lens to increase its effect and effectively improve the transmittance. That’s why adding a coating to the lens will make the sight clearer. The main reason is the reflectivity is reduced, allowing more light to be entered into the lens and increasing the clarity of vision.


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