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High-Definition Photochromic Gray Optical Lenses from China Suppliers | Factory Direct Prices
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Data
| Product | Photochromic lens | Index | 1.553/1.597/1.667 |
| Material | Resin/Acrylic/MR-7/MR-8 | Abbe Value | 34/42/32-33 |
| Diameter | 65/70/72/75 | Coating | HMC/SHMC/Blue /Green |
Performance
Rapid discoloration
UV protection
Anti reflection
Wear resistance
High transmittance
Waterproof
Anti-fingerprint
Characteristics of photochromic lenses Adaptive lighting
Photochromic lenses automatically change color when exposed to ultraviolet light to resist the effects of glare. After being removed from the ultraviolet environment, the lens will return to a transparent state. This automatic adjustment feature eliminates the need for users to manually replace lenses or perform other operations, making it very convenient to use. Its working principle is to add photochromic dyes inside the lens, which undergo molecular structural changes under the action of ultraviolet light, thereby changing the color and transparency of the lens.
Characteristics of photochromic lenses High transparency
Although photochromic lenses darken their color during color change, their transparency does not significantly decrease. This is because the manufacturer uses high-quality resin materials and advanced optical technology to ensure high transparency and clarity of the lenses. Compared to other lenses, photochromic lenses have even higher transparency, providing a better visual experience
Photochromic lenses of different colors and their effects
- ■ Tea changing lenses: Effectively improve visual contrast and clarity, suitable for environments with severe air pollution or fog.
- ■ Gray lenses: Can effectively reduce light intensity, have high color reproduction, and are suitable for all people to use.
- ■ Pink and purple lenses: Filter out stray light, block strong light, soften light, suitable for women's daily wear.
- ■ Blue changing lenses: Effectively absorb stray light in visible light, relieve visual fatigue, suitable for beach play.
- ■ Yellowing lenses: Enhance visual effects in foggy and dusk environments
Frequently Asked Questions
Q: How do photochromic lenses work?
Photochromic lenses contain photochromic dyes inside the lens. When exposed to ultraviolet (UV) light, these dyes undergo molecular structural changes, causing the lenses to automatically darken to block glare. When UV exposure stops, the lenses transition back to their transparent state.
Q: What materials and refractive indices are available for these lenses?
The lenses are available in refractive indices of 1.553, 1.597, and 1.667. They are manufactured using high-quality materials including Resin, Acrylic, MR-7, and MR-8, with Abbe values ranging from 32 to 42.
Q: Do photochromic lenses maintain high clarity when they change color?
Yes. Even when they darken, advanced optical technology and high-quality resin materials ensure their transparency and clarity do not significantly decrease, providing an excellent visual experience.
Q: What are the benefits of tea and gray photochromic lenses?
Tea-colored lenses improve visual contrast and clarity, which is ideal for foggy or polluted environments. Gray lenses reduce overall light intensity while maintaining high color reproduction, making them suitable for everyday use by everyone.
Q: What coatings are applied to these photochromic lenses?
These lenses can be finished with HMC (Hard Multi-Coated), SHMC (Super Hard Multi-Coated), Blue Coating, or Green Coating to enhance durability and optical performance.