Classification Of Sunglasses Lens Introduction

1. Anti-reflective protective lenses: These are lenses that are coated with a thin layer of magnesium fluoride to prevent bright light from reflecting off, allowing you to see more clearly and without interference from bright light. To test if your Sunglasses really have anti-reflective protection, point them at a light source. If you see a purple or green reflection, that means the lenses are coated with an anti-reflective film.

2. Colored lenses: Also known as "colored lenses," chemicals are added to the lenses to give them color that absorbs light at specific wavelengths. This is the type of lens most commonly used in sunglasses.

3. Colored lens: This kind of lens presents the same effect as colored lens, but the way it is made is different. It is painted on the surface of the lens. In general, the sun glasses with a degree are usually treated by coloring the lens.

4. Polarizing lens: in order to filter the sun on the water, land or snow on the equal direction of the harsh light, in the lens to join the vertical direction of special paint, called polarizing lens. Ideal for outdoor activities (e.g., sea activities, skiing or fishing).