Lens Information

Lens material classification Glass lenses include optical glass lenses and high refractive index lenses. It has high hardness and good wear resistance. Generally, its quality and various parameters will not change over time, but the impact resistance and weight of glass lenses are slightly different. Inferior to resin lenses.

Resin lenses are generally much lighter than glass lenses, and their impact resistance is better than that of glass lenses. They have strong UV resistance, but their surface hardness is lower and they are more likely to be scratched.

Resin lenses and coated lenses are soft because of their soft characteristics, so you should always be careful not to let the mirror directly touch hard objects. It is best to clean with water (or a small amount of detergent) when scrubbing, and then use a special test cloth or high-quality tissue paper Blot the water droplets on the glasses lens. In addition, the coated lenses should be used with caution in places with poor environmental conditions to avoid stains that are difficult to clean.

PC lens: high refractive index, strong, but easy to wear. Mostly used in children's eyeglasses, frameless assembly or athlete's eye protection. What are the advantages of lens coating?

Coated lenses can reduce the reflected light on the surface of the lens, see clearly, reduce the reflected light from the mirror surface, increase the light transmittance, and also solve the problem of taking pictures under strong light with glasses, and increase the aesthetics. Coated glasses can prevent damage to eyesight caused by ultraviolet, infrared and X-rays.
 

Wearing coated glasses is not easy to fatigue. The eyesight of the staff in front of the fluorescent screen can be protected. In addition to avoiding scratches and high temperatures, the coated resin lens should also avoid acid fume and other erosion. For example, it is best not to wear glasses for cooking in daily life, especially when the ventilation is not good, and the fume is large; at the same time, you should not wear glasses to enter the hot shower environment. , The convex surface of the lens should be upward when it is temporarily placed, and the glasses should be placed in the box when carrying them. Do not put them in the pocket or bag casually, as it will easily scratch the film.