1.499 Single Vision Prescription Anti-Reflection Ophthalmic Lenses In CR39
I. Specifications:
| Production | 1.499 Single Vision Lens |
| Monomer | CR39 |
| Abbe value | 56 |
| Specific gravity | 1.33 |
| Diameter | 55/65/70mm |
| Guarantee years | 3~5 years |
| Coating choice | Anti-Reflection |
| Power range | SPH: 0.00~+-15.00 CYL: 0.00~-6.00 |
II. Features:
Aogang CR-39 lenses use the true value of imported CR-39 monomer, the longest history of resin material and the most widely sold lens in middle level country.
- Compared With Glass Lens
1) It’s inexpensive, since it’s been around for over 70 years. Optically speaking, it has a good, reasonably smooth refractive surface, and very little distortion at the edges of the lens
2) The big advantages of CR39 lenses over previous glass lenses were light weight, and better shatter resistance. The lower weight allowed eyeglass makers to experiment with larger size lenses, since CR39 is much lighter in weight.
3) Glass lens almost has no UV protection, but CR39 lenses can protect eyes from UV380.
- Compared With Other Index Optical Lens
- Hardness: The best among other index lenses in hardness and toughness, high impact resistance.
- Tintable: The most easily tinted than other index lenses.
- Transmittance: The highest transmittance as compared with other index lenses.
- ABBE: The highest ABBE value providing the most comfortable visual experience.
- Consistency: The most reliable and consistent lens product physically and optically.
|  |
III. Coating Choice:
Depending on the layers of coating, lenses differ in functionality. Coating consists of much technicality as much as lenses do, here is 'how lens coating works' for your reference.
 | Hard coating: It also can be called anti-scratch coating, is to enhancethe hardness of the lens to prevent the substrate scratch AR coating: It also can be called hard multi coated or anti-reflection coating, is to protect the lens effectively from reflection |
IV. Power range:
V. Packing&Shipping:
| Choice 1 |
| Envelope | Carton | Size |
| White Envelope | Stand Export Carton | 38cm*48cm*35cm |
| Choice 2 |
| Your design with your logo |
| Type | Lenses Pair | Weight |
| Finished lens | about 500 pairs | 21KG |
| Semi-finished lens | about 100 pairs | 15KG |
| Lead time | Depend on the quantity |
| Depend on the quantity | We can choose for you or offer us your cooperative company |
| All the numbers provided above are estimated number, the actual numbers need to be measured according to the order you make |
VI. Why Choose Us:
1. About Us
We are a professional optical lens manufacturer over 10 years in China. All of our lenses are exported to European countries, Japan, Korea, North America, South America, Middle East, Southeast Asia, Africa markets. We guarantee quality to all buyers all over the world and we gained a great reputation for buyer's quality
2.About Samples
Our customers just need send us requirements, then we will send samples accordingly. We only need 1~2 days to finish the sample production. Samples are free, but according to our company rule, our customers need to assume the shipping cost.
3. About payment term
30% T/T in advance, the balance before shippment
Product Tags:
|
|
Ophthalmic Cr 39 Lenses Uv Protection 1.499 Single Vision Anti Reflection Images
|
