Factory wholesale Photochromic Sunglasses Cycling - 1.56 Photo Colorful HMC Optical lenses – Boris

Production Details

Photochromic lenses are divided into two types: substrate photochromic lenses (referred to as “monomer photo grey”) and film-layer photochromic lenses (referred to as “spin coating”) according to the different parts of the lens.

The substrate photochromic lens is a chemical substance added with silver halide in the lens substrate. Using the ionic reaction of silver halide, it is decomposed into silver and halogen under strong light stimulation to color the lens. After the light becomes weak, it is combined into silver halide. , the color becomes lighter. Glass photochromic lenses use this technology.

Coated photochromic lenses are specially treated in the lens coating process. For example, spiropyran compounds are used to perform high-speed spin coating on the surface of the lens. According to the intensity of light and ultraviolet rays, the inversion opening and closing of the molecular structure itself is used to achieve the effect of passing or blocking light.

Production Introduction

When choosing Photochromic lenses, it is mainly considered from the functional characteristics of the lens, the use of the glasses, and the individual’s requirements for color. Photochromic lenses can also be made into a variety of colors, such as gray, brown and so on.

1.Gray lens: can absorb infrared rays and 98% of ultraviolet rays. The biggest advantage of the gray lens is that the original color of the scene will not be changed by the lens, and the most satisfying thing is that it can reduce the light intensity very effectively. The gray lens can evenly absorb any color spectrum, so the viewing scene will only darken, but there will be no obvious chromatic aberration, showing a true natural feeling. It is a neutral color, suitable for all people.

7. Yellow lens: It can absorb 100% of ultraviolet rays, and can let infrared rays and 83% of visible light penetrate the lens. The biggest feature of yellow lenses is that they absorb most of the blue light. Because when the sun shines through the atmosphere, it mainly appears as blue light (which can explain why the sky is blue). After the yellow lens absorbs blue light, it can make the natural scenery clearer. Therefore, the yellow lens is often used as a “filter” or used by hunters when hunting. Strictly speaking, such lenses are not sun lenses because they hardly reduce visible light, but in foggy and twilight times, yellow lenses can improve contrast and provide more accurate vision, so they are also called night vision goggles. Some young people wear yellow lens “sunglasses” as decoration, which is an option for those with glaucoma and those who need to improve visual brightness.

With the needs of modern life, the role of tinted glasses is not only the role of eye protection, it is also a work of art. A suitable pair of tinted glasses and suitable clothing can bring out a person’s extraordinary temperament.

Product Process

Product Video