Dedicated to strict top quality command and considerate purchaser support, our experienced staff customers are always available to discuss your necessities and be certain full client gratification for Photo Grey Single Vision Plastic Semi Finished Lens , D28 Bifocal , Plane Concave Lens , We believe you will be satisfied with our reasonable price, high quality products and fast delivery. We sincerely hope you can give us an opportunity to serve you and be your best partner!
Leading Manufacturer for Achromatic Doublet Lenses - Q-Active – Universe Optical Detail:
Parameters
Reflective Index |
1.56 |
Colors |
Grey, Brown, Green, Pink, Blue, Purple |
Coatings |
UC, HC, HMC+EMI, SUPERHYDROPHOBIC, BLUECUT |
Available |
Finished & Semi-finished: SV, Bifocal, Progressive |
Advantages of Q-Active
Outstanding Color Performance
• Fast color of changing, from transparent to dark and vice versa.
• Perfectly transparent indoors and at night, adapting spontaneously to varying light conditions.
• Very dark color after change, the deepest color can be up to 75~85%.
• Excellent color consistency before and after change.
UV Protection
• Perfect blockage of harmful solar rays and 100% UVA & UVB.
Durability of Color Change
• Photochromic molecules are evenly distributed in lens material and keep active year by year, which ensure durable and consistent color change.

Product detail pictures:
Related Product Guide:
Our pursuit and firm aim should be to "Always fulfill our buyer requirements". We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for Leading Manufacturer for Achromatic Doublet Lenses - Q-Active – Universe Optical , The product will supply to all over the world, such as: Tanzania, Manchester, El Salvador, Our factory insists on the principle of "Quality First, Sustainable Development", and takes "Honest Business, Mutual Benefits" as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.